The Zambian Malaria Initiative aimed to reduce malaria incidence and under-five mortality through large-scale distribution of malaria prevention and treatment interventions starting in 2001. Data from health management information systems and surveys show that malaria deaths fell by half and fever rates among children under five declined significantly from 2001-2007. However, the data has some limitations including potential misdiagnosis of malaria, incomplete health facility reporting, and the fact that reported cases likely represent only a portion of total malaria burden. Statistical analyses linking intervention coverage to health outcomes find that increased bed net ownership and usage is associated with lower rates of child fever and mortality, though the relationships may be complicated by other factors. The success of Zambia's initiative provides evidence
This document discusses intensive care monitoring of critically ill pregnant patients. It covers:
1) Common causes of ICU admission in pregnant women include hemorrhage, hypertension, respiratory failure, and sepsis.
2) Pulmonary artery catheters can help manage conditions like shock, preeclampsia, and heart disease but have risks of complications like arrhythmias, infections, and thrombosis.
3) Scoring systems to predict mortality in critically ill pregnant patients have limitations as they do not account for normal physiologic changes in pregnancy.
Este documento presenta una unidad didáctica sobre el adjetivo calificativo dirigida a alumnos de 5o curso de primaria. La unidad busca identificar el adjetivo y distinguir sus formas, conocer su género y número, y reconocer los grados del adjetivo. Incluye objetivos conceptuales, procedimentales y actitudinales, así como una metodología, materiales, organización y evaluación basada en criterios como la utilización correcta del adjetivo.
This document discusses health inequities in the United States driven by gender, race, socioeconomic factors and the environment. It analyzes HIV prevalence, risk behaviors, and service utilization data from various sources to assess health inequities among populations in greatest need. Specific data on the District of Columbia shows HIV prevalence is highest among black males, and linkage to and retention in care varies by race.
Cancer is the second most common cause of death in the country. There are many types of cancer that affect different organs in different ways. Lung, colon, breast, prostate, and bladder cancers cause the most deaths locally. The risk of cancer increases with age and is influenced by lifestyle factors like tobacco and alcohol use. Deprivation and ethnicity can also impact cancer rates, diagnoses, and outcomes, though the relationships are complex.
No sólo de especialistas médicos vive el hombretrujillo40
- The study examined the relationship between specialist physician supply and mortality rates using county-level data from 1996-2000 in the United States.
- They found that higher ratios of primary care physicians were associated with lower mortality rates for total, heart disease, and cancer mortality. However, higher ratios of specialist physicians showed no improvement or even higher mortality rates.
- These findings suggest that simply increasing the supply of specialists will not necessarily improve population health outcomes and could worsen health disparities.
GHIs operating in Mozambique include the Global Fund, PEPFAR, President's Malaria Initiative, and others focused on specific diseases. While GHIs have increased funding and scale-up of targeted health services, their vertical nature has stressed harmonization efforts and negatively impacted health workers. Overall, GHIs could have achieved better health outcomes by jointly strengthening the overall health system in a more coherent manner.
Germany faces challenges from an aging population and increasing rates of non-communicable diseases. Strategies to address this include expanding long-term care options, training more geriatric specialists, promoting lifelong learning and deferred retirement, strengthening prevention of infectious diseases, and shifting to individualized and multi-cause approaches in medicine. However, implementing personalized healthcare poses cost challenges that require country-specific solutions.
High HIV Prevalence Among Low-Income Heterosexuals in Urban Areas of the U.S.CDC NPIN
The study found high HIV prevalence of 2% among low-income heterosexuals surveyed in 25 U.S. cities, which is 10-20 times greater than the general heterosexual population. HIV prevalence increased with lower socioeconomic status and was highest among those with a history of an STD diagnosis, low income, limited education, unemployment, and living in high poverty areas. Race/ethnicity was also associated with HIV prevalence, which was greatest for African Americans.
This document discusses intensive care monitoring of critically ill pregnant patients. It covers:
1) Common causes of ICU admission in pregnant women include hemorrhage, hypertension, respiratory failure, and sepsis.
2) Pulmonary artery catheters can help manage conditions like shock, preeclampsia, and heart disease but have risks of complications like arrhythmias, infections, and thrombosis.
3) Scoring systems to predict mortality in critically ill pregnant patients have limitations as they do not account for normal physiologic changes in pregnancy.
Este documento presenta una unidad didáctica sobre el adjetivo calificativo dirigida a alumnos de 5o curso de primaria. La unidad busca identificar el adjetivo y distinguir sus formas, conocer su género y número, y reconocer los grados del adjetivo. Incluye objetivos conceptuales, procedimentales y actitudinales, así como una metodología, materiales, organización y evaluación basada en criterios como la utilización correcta del adjetivo.
This document discusses health inequities in the United States driven by gender, race, socioeconomic factors and the environment. It analyzes HIV prevalence, risk behaviors, and service utilization data from various sources to assess health inequities among populations in greatest need. Specific data on the District of Columbia shows HIV prevalence is highest among black males, and linkage to and retention in care varies by race.
Cancer is the second most common cause of death in the country. There are many types of cancer that affect different organs in different ways. Lung, colon, breast, prostate, and bladder cancers cause the most deaths locally. The risk of cancer increases with age and is influenced by lifestyle factors like tobacco and alcohol use. Deprivation and ethnicity can also impact cancer rates, diagnoses, and outcomes, though the relationships are complex.
No sólo de especialistas médicos vive el hombretrujillo40
- The study examined the relationship between specialist physician supply and mortality rates using county-level data from 1996-2000 in the United States.
- They found that higher ratios of primary care physicians were associated with lower mortality rates for total, heart disease, and cancer mortality. However, higher ratios of specialist physicians showed no improvement or even higher mortality rates.
- These findings suggest that simply increasing the supply of specialists will not necessarily improve population health outcomes and could worsen health disparities.
GHIs operating in Mozambique include the Global Fund, PEPFAR, President's Malaria Initiative, and others focused on specific diseases. While GHIs have increased funding and scale-up of targeted health services, their vertical nature has stressed harmonization efforts and negatively impacted health workers. Overall, GHIs could have achieved better health outcomes by jointly strengthening the overall health system in a more coherent manner.
Germany faces challenges from an aging population and increasing rates of non-communicable diseases. Strategies to address this include expanding long-term care options, training more geriatric specialists, promoting lifelong learning and deferred retirement, strengthening prevention of infectious diseases, and shifting to individualized and multi-cause approaches in medicine. However, implementing personalized healthcare poses cost challenges that require country-specific solutions.
High HIV Prevalence Among Low-Income Heterosexuals in Urban Areas of the U.S.CDC NPIN
The study found high HIV prevalence of 2% among low-income heterosexuals surveyed in 25 U.S. cities, which is 10-20 times greater than the general heterosexual population. HIV prevalence increased with lower socioeconomic status and was highest among those with a history of an STD diagnosis, low income, limited education, unemployment, and living in high poverty areas. Race/ethnicity was also associated with HIV prevalence, which was greatest for African Americans.
FISCAL STIMULUS IN ECONOMIC UNIONS: WHAT ROLE FOR STATESNBER
1) State deficits can boost job growth in the deficit state but also in neighboring states, showing significant spillover effects. Coordinated fiscal policies across states are more cost-effective than individual state policies.
2) Federal aid to states, when coordinated, can effectively stimulate the overall economy. Targeted aid linked to services for lower income households is more effective than untargeted aid.
3) The economic stimulus of the American Recovery and Reinvestment Act could have been 30% more effective if it relied more on targeted aid and less on untargeted aid. Coordinated fiscal policies that account for spillovers across economic regions are optimal for stimulus programs.
Business in the United States Who Owns it and How Much Tax They PayNBER
This document analyzes business ownership and tax payments in the United States using administrative tax data from 2011. It finds:
1. Pass-through business income, such as from partnerships and S-corporations, is highly concentrated.
2. The average federal income tax rate on pass-through business income is 19%.
3. 30% of income earned by partnerships cannot be uniquely traced to an identifiable, ultimate owner.
Redistribution through Minimum Wage Regulation: An Analysis of Program Linkag...NBER
This document analyzes the program linkages and budgetary spillovers of minimum wage regulation using data from recent federal minimum wage increases. It finds that wages increased for some low-skilled workers but employment declined significantly. While safety net programs provided some income replacement, earnings and tax revenues decreased substantially. Overall, the analysis suggests minimum wage increases reallocated income from employers and taxpayers to low-wage workers, with program and tax revenue spillovers of approximately $1-2 billion annually.
The Distributional Effects of U.S. Clean Energy Tax CreditsNBER
This document summarizes a study examining the distributional effects of US clean energy tax credits from 2006-2012. It finds that higher-income households claimed a disproportionate share of the $18 billion in credits. Specifically, the study analyzes tax return data to see who claimed credits for investments like home weatherization, solar panels, hybrid vehicles, and electric vehicles. It aims to provide insights into how the inequitable distribution may inform future program design and the debate around subsidies versus carbon taxes.
An Experimental Evaluation of Strategies to Increase Property Tax Compliance:...NBER
This document summarizes a study that tested different strategies for increasing property tax compliance in Philadelphia. The researchers worked with the city's Department of Revenue to randomly assign taxpayers with overdue property taxes to receive one of four letters: a standard letter, or a standard letter plus an additional sentence appealing to civic duty, public services benefits, or potential home loss. They found the civic duty appeal significantly increased tax payments, especially for those with lower debts. Appealing to public services benefits also showed some effect on higher debt taxpayers. The researchers conclude strategically targeting messages could further improve compliance.
This document discusses recommendation systems and topic modeling for documents using machine learning techniques. It begins by introducing recommendation systems and different types of recommendation literature, including item similarity, collaborative filtering, and hierarchical models. It then discusses bringing in user choice data and different collaborative filtering approaches like k-nearest neighbor prediction and matrix factorization. The document also covers topic modeling, including latent Dirichlet allocation, and how topic models can be combined with user choice models. It concludes by discussing challenges in causal inference when using machine learning.
The document discusses using machine learning methods to estimate heterogeneous causal effects. It proposes an approach of using regression trees on a transformed outcome variable to estimate individual treatment effects. However, this approach is critiqued as it can introduce noise. An improved approach is presented that uses the sample average treatment effect within each leaf as the estimator, and uses the variance of predictions for model fitting criteria and a matching estimator for out-of-sample evaluation. The approach separates the tasks of model selection and treatment effect estimation to enable valid statistical inference on estimated effects in subgroups.
This document discusses various machine learning techniques including:
1. Tree pruning involves first growing a large tree and then pruning branches that do not improve the objective function. This prevents early stopping.
2. Boosting uses multiple weak learners sequentially to get an additive model that approximates the regression function. It combines many simple models to create a powerful ensemble model.
3. Unsupervised learning techniques like principal component analysis and clustering are used to find patterns in data without an outcome variable. These include reducing dimensions and partitioning data into subgroups.
This document summarizes a discussion between Susan Athey and Guido Imbens on the relationship between machine learning and causal inference. It notes that while machine learning excels at prediction problems using large datasets, it has weaknesses when it comes to causal questions. Econometrics and statistics literature focuses more on formal theories of causality. The document proposes combining the strengths of both fields by developing machine learning methods that can estimate causal effects, accounting for issues like endogeneity and treatment effect heterogeneity. It outlines some open problems and directions for future research at the intersection of these fields.
This document summarizes key points from a lecture on diffusion, identification, and network formation. It discusses how diffusion of products can be modeled, including information passing between neighbors. Estimation techniques are described to model information diffusion on actual networks by simulating propagation over time. The challenges of identification when networks are endogenous are also covered. Forming models of network formation that account for link dependencies is an important area of current research.
This document provides an overview of social and economic networks. It discusses why networks are important to study, as interactions are shaped by relationships. Some examples of networks are presented, such as marriage networks, friendship networks in high schools, military alliances, and interbank payment networks. The document then discusses how to represent networks mathematically and introduces concepts like degree, paths, average path length, and degree distributions. It also covers homophily, or the tendency for similar people to connect, and shows examples of homophily along attributes. Finally, it introduces the idea of centrality and influence within a network, discussing measures like degree centrality and eigenvector centrality.
Daron Acemoglu presents a document on networks, games over networks, and peer effects. The document discusses how networks can be used to model externalities and peer effects. It presents a model of a game over networks where players' payoffs are determined by their own actions, the actions of their network neighbors, and potential strategic interactions. The best responses in this game are characterized. Under certain conditions, such as the game being a potential game, the game will have a unique Nash equilibrium where each player's action is determined by their position in the network. The document discusses applications of this type of network game model.
The document discusses how economic shocks propagate through networks of production and inputs. It begins by presenting a simple model of an economy consisting of sectors that use each other's outputs as inputs. Shocks to individual sectors can spread to other sectors through this production network. While diversification across many sectors could cause microeconomic shocks to "wash out", the structure of the network influences how shocks aggregate. Asymmetric networks with some sectors having outsized importance can lead to greater aggregate volatility than more regular networks where all sectors are equally important. Empirical analysis of input-output data supports the theory by finding significant downstream effects of sectoral shocks.
The NBER Working Paper Series at 20,000 - Joshua GansNBER
This document discusses publication lags in economics research, with working papers appearing years before peer-reviewed published work. It questions whether publication means anything given the large number of working papers now available. It also considers options for the National Bureau of Economic Research's web repository, such as providing open access to working papers along with links to related materials, peer reviews, and published versions of the papers.
The NBER Working Paper Series at 20,000 - Claudia GoldinNBER
This document analyzes trends in the NBER Working Paper series from 1978 to 2013. It finds that the number of working papers published annually has increased dramatically over time, from around 100 in the late 1970s to over 1,200 by 2013. The number of NBER research programs has also expanded significantly, from 7 originally to over 20 currently. Individual working papers now tend to involve more programs and more authors than in the past as well. The working paper series has become less specialized and more collaborative over four decades of growth and evolution.
The NBER Working Paper Series at 20,000 - James PoterbaNBER
This document summarizes the origin and evolution of the NBER Working Paper series from its beginning in 1972 to the present. It started as an outlet for NBER research and has grown tremendously over time. Some key points:
- The first working paper was published in June 1973 and there were only 3 papers in the first month.
- Growth accelerated after Martin Feldstein became NBER President in 1977, with over 200 papers published in 1981.
- There are now over 20,000 working papers published and about 5.5 million downloads per year from around the world.
- The most popular papers focus on topics like financial crises, economic growth, and corporate governance.
The NBER Working Paper Series at 20,000 - Scott SternNBER
The NBER Working Paper series recently reached 20,000 papers published and is recognized as one of the leading economics working paper series in the world. According to 2014 Google Scholar Metrics, the NBER Working Paper series ranked 18th out of thousands of journals by its H-5 index, which measures the productivity and impact of published work. The high ranking of the NBER Working Paper series demonstrates its important role in disseminating new economic research and ideas worldwide.
The NBER Working Paper Series at 20,000 - Glenn EllisonNBER
This document summarizes trends in the publication process and the role of working papers. It finds that publication times at economics journals have increased significantly over the past 30 years. Acceptance rates at top journals have also declined. These changes mean that published papers cannot address current issues or reflect the latest state of knowledge as quickly. The document also finds that working papers, such as those from the NBER, play an increasingly important role, as economists can disseminate their work more quickly through working paper series than through the traditional publication process. NBER working papers account for a large share of papers eventually published in top journals and those NBER papers go on to be well-cited.
- Video recording of this lecture in English language: https://youtu.be/kqbnxVAZs-0
- Video recording of this lecture in Arabic language: https://youtu.be/SINlygW1Mpc
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
FISCAL STIMULUS IN ECONOMIC UNIONS: WHAT ROLE FOR STATESNBER
1) State deficits can boost job growth in the deficit state but also in neighboring states, showing significant spillover effects. Coordinated fiscal policies across states are more cost-effective than individual state policies.
2) Federal aid to states, when coordinated, can effectively stimulate the overall economy. Targeted aid linked to services for lower income households is more effective than untargeted aid.
3) The economic stimulus of the American Recovery and Reinvestment Act could have been 30% more effective if it relied more on targeted aid and less on untargeted aid. Coordinated fiscal policies that account for spillovers across economic regions are optimal for stimulus programs.
Business in the United States Who Owns it and How Much Tax They PayNBER
This document analyzes business ownership and tax payments in the United States using administrative tax data from 2011. It finds:
1. Pass-through business income, such as from partnerships and S-corporations, is highly concentrated.
2. The average federal income tax rate on pass-through business income is 19%.
3. 30% of income earned by partnerships cannot be uniquely traced to an identifiable, ultimate owner.
Redistribution through Minimum Wage Regulation: An Analysis of Program Linkag...NBER
This document analyzes the program linkages and budgetary spillovers of minimum wage regulation using data from recent federal minimum wage increases. It finds that wages increased for some low-skilled workers but employment declined significantly. While safety net programs provided some income replacement, earnings and tax revenues decreased substantially. Overall, the analysis suggests minimum wage increases reallocated income from employers and taxpayers to low-wage workers, with program and tax revenue spillovers of approximately $1-2 billion annually.
The Distributional Effects of U.S. Clean Energy Tax CreditsNBER
This document summarizes a study examining the distributional effects of US clean energy tax credits from 2006-2012. It finds that higher-income households claimed a disproportionate share of the $18 billion in credits. Specifically, the study analyzes tax return data to see who claimed credits for investments like home weatherization, solar panels, hybrid vehicles, and electric vehicles. It aims to provide insights into how the inequitable distribution may inform future program design and the debate around subsidies versus carbon taxes.
An Experimental Evaluation of Strategies to Increase Property Tax Compliance:...NBER
This document summarizes a study that tested different strategies for increasing property tax compliance in Philadelphia. The researchers worked with the city's Department of Revenue to randomly assign taxpayers with overdue property taxes to receive one of four letters: a standard letter, or a standard letter plus an additional sentence appealing to civic duty, public services benefits, or potential home loss. They found the civic duty appeal significantly increased tax payments, especially for those with lower debts. Appealing to public services benefits also showed some effect on higher debt taxpayers. The researchers conclude strategically targeting messages could further improve compliance.
This document discusses recommendation systems and topic modeling for documents using machine learning techniques. It begins by introducing recommendation systems and different types of recommendation literature, including item similarity, collaborative filtering, and hierarchical models. It then discusses bringing in user choice data and different collaborative filtering approaches like k-nearest neighbor prediction and matrix factorization. The document also covers topic modeling, including latent Dirichlet allocation, and how topic models can be combined with user choice models. It concludes by discussing challenges in causal inference when using machine learning.
The document discusses using machine learning methods to estimate heterogeneous causal effects. It proposes an approach of using regression trees on a transformed outcome variable to estimate individual treatment effects. However, this approach is critiqued as it can introduce noise. An improved approach is presented that uses the sample average treatment effect within each leaf as the estimator, and uses the variance of predictions for model fitting criteria and a matching estimator for out-of-sample evaluation. The approach separates the tasks of model selection and treatment effect estimation to enable valid statistical inference on estimated effects in subgroups.
This document discusses various machine learning techniques including:
1. Tree pruning involves first growing a large tree and then pruning branches that do not improve the objective function. This prevents early stopping.
2. Boosting uses multiple weak learners sequentially to get an additive model that approximates the regression function. It combines many simple models to create a powerful ensemble model.
3. Unsupervised learning techniques like principal component analysis and clustering are used to find patterns in data without an outcome variable. These include reducing dimensions and partitioning data into subgroups.
This document summarizes a discussion between Susan Athey and Guido Imbens on the relationship between machine learning and causal inference. It notes that while machine learning excels at prediction problems using large datasets, it has weaknesses when it comes to causal questions. Econometrics and statistics literature focuses more on formal theories of causality. The document proposes combining the strengths of both fields by developing machine learning methods that can estimate causal effects, accounting for issues like endogeneity and treatment effect heterogeneity. It outlines some open problems and directions for future research at the intersection of these fields.
This document summarizes key points from a lecture on diffusion, identification, and network formation. It discusses how diffusion of products can be modeled, including information passing between neighbors. Estimation techniques are described to model information diffusion on actual networks by simulating propagation over time. The challenges of identification when networks are endogenous are also covered. Forming models of network formation that account for link dependencies is an important area of current research.
This document provides an overview of social and economic networks. It discusses why networks are important to study, as interactions are shaped by relationships. Some examples of networks are presented, such as marriage networks, friendship networks in high schools, military alliances, and interbank payment networks. The document then discusses how to represent networks mathematically and introduces concepts like degree, paths, average path length, and degree distributions. It also covers homophily, or the tendency for similar people to connect, and shows examples of homophily along attributes. Finally, it introduces the idea of centrality and influence within a network, discussing measures like degree centrality and eigenvector centrality.
Daron Acemoglu presents a document on networks, games over networks, and peer effects. The document discusses how networks can be used to model externalities and peer effects. It presents a model of a game over networks where players' payoffs are determined by their own actions, the actions of their network neighbors, and potential strategic interactions. The best responses in this game are characterized. Under certain conditions, such as the game being a potential game, the game will have a unique Nash equilibrium where each player's action is determined by their position in the network. The document discusses applications of this type of network game model.
The document discusses how economic shocks propagate through networks of production and inputs. It begins by presenting a simple model of an economy consisting of sectors that use each other's outputs as inputs. Shocks to individual sectors can spread to other sectors through this production network. While diversification across many sectors could cause microeconomic shocks to "wash out", the structure of the network influences how shocks aggregate. Asymmetric networks with some sectors having outsized importance can lead to greater aggregate volatility than more regular networks where all sectors are equally important. Empirical analysis of input-output data supports the theory by finding significant downstream effects of sectoral shocks.
The NBER Working Paper Series at 20,000 - Joshua GansNBER
This document discusses publication lags in economics research, with working papers appearing years before peer-reviewed published work. It questions whether publication means anything given the large number of working papers now available. It also considers options for the National Bureau of Economic Research's web repository, such as providing open access to working papers along with links to related materials, peer reviews, and published versions of the papers.
The NBER Working Paper Series at 20,000 - Claudia GoldinNBER
This document analyzes trends in the NBER Working Paper series from 1978 to 2013. It finds that the number of working papers published annually has increased dramatically over time, from around 100 in the late 1970s to over 1,200 by 2013. The number of NBER research programs has also expanded significantly, from 7 originally to over 20 currently. Individual working papers now tend to involve more programs and more authors than in the past as well. The working paper series has become less specialized and more collaborative over four decades of growth and evolution.
The NBER Working Paper Series at 20,000 - James PoterbaNBER
This document summarizes the origin and evolution of the NBER Working Paper series from its beginning in 1972 to the present. It started as an outlet for NBER research and has grown tremendously over time. Some key points:
- The first working paper was published in June 1973 and there were only 3 papers in the first month.
- Growth accelerated after Martin Feldstein became NBER President in 1977, with over 200 papers published in 1981.
- There are now over 20,000 working papers published and about 5.5 million downloads per year from around the world.
- The most popular papers focus on topics like financial crises, economic growth, and corporate governance.
The NBER Working Paper Series at 20,000 - Scott SternNBER
The NBER Working Paper series recently reached 20,000 papers published and is recognized as one of the leading economics working paper series in the world. According to 2014 Google Scholar Metrics, the NBER Working Paper series ranked 18th out of thousands of journals by its H-5 index, which measures the productivity and impact of published work. The high ranking of the NBER Working Paper series demonstrates its important role in disseminating new economic research and ideas worldwide.
The NBER Working Paper Series at 20,000 - Glenn EllisonNBER
This document summarizes trends in the publication process and the role of working papers. It finds that publication times at economics journals have increased significantly over the past 30 years. Acceptance rates at top journals have also declined. These changes mean that published papers cannot address current issues or reflect the latest state of knowledge as quickly. The document also finds that working papers, such as those from the NBER, play an increasingly important role, as economists can disseminate their work more quickly through working paper series than through the traditional publication process. NBER working papers account for a large share of papers eventually published in top journals and those NBER papers go on to be well-cited.
- Video recording of this lecture in English language: https://youtu.be/kqbnxVAZs-0
- Video recording of this lecture in Arabic language: https://youtu.be/SINlygW1Mpc
- Link to download the book free: https://nephrotube.blogspot.com/p/nephrotube-nephrology-books.html
- Link to NephroTube website: www.NephroTube.com
- Link to NephroTube social media accounts: https://nephrotube.blogspot.com/p/join-nephrotube-on-social-media.html
Integrating Ayurveda into Parkinson’s Management: A Holistic ApproachAyurveda ForAll
Explore the benefits of combining Ayurveda with conventional Parkinson's treatments. Learn how a holistic approach can manage symptoms, enhance well-being, and balance body energies. Discover the steps to safely integrate Ayurvedic practices into your Parkinson’s care plan, including expert guidance on diet, herbal remedies, and lifestyle modifications.
Muktapishti is a traditional Ayurvedic preparation made from Shoditha Mukta (Purified Pearl), is believed to help regulate thyroid function and reduce symptoms of hyperthyroidism due to its cooling and balancing properties. Clinical evidence on its efficacy remains limited, necessitating further research to validate its therapeutic benefits.
Histololgy of Female Reproductive System.pptxAyeshaZaid1
Dive into an in-depth exploration of the histological structure of female reproductive system with this comprehensive lecture. Presented by Dr. Ayesha Irfan, Assistant Professor of Anatomy, this presentation covers the Gross anatomy and functional histology of the female reproductive organs. Ideal for students, educators, and anyone interested in medical science, this lecture provides clear explanations, detailed diagrams, and valuable insights into female reproductive system. Enhance your knowledge and understanding of this essential aspect of human biology.
8 Surprising Reasons To Meditate 40 Minutes A Day That Can Change Your Life.pptxHolistified Wellness
We’re talking about Vedic Meditation, a form of meditation that has been around for at least 5,000 years. Back then, the people who lived in the Indus Valley, now known as India and Pakistan, practised meditation as a fundamental part of daily life. This knowledge that has given us yoga and Ayurveda, was known as Veda, hence the name Vedic. And though there are some written records, the practice has been passed down verbally from generation to generation.
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Does Over-Masturbation Contribute to Chronic Prostatitis.pptxwalterHu5
In some case, your chronic prostatitis may be related to over-masturbation. Generally, natural medicine Diuretic and Anti-inflammatory Pill can help mee get a cure.
Adhd Medication Shortage Uk - trinexpharmacy.comreignlana06
The UK is currently facing a Adhd Medication Shortage Uk, which has left many patients and their families grappling with uncertainty and frustration. ADHD, or Attention Deficit Hyperactivity Disorder, is a chronic condition that requires consistent medication to manage effectively. This shortage has highlighted the critical role these medications play in the daily lives of those affected by ADHD. Contact : +1 (747) 209 – 3649 E-mail : sales@trinexpharmacy.com
Here is the updated list of Top Best Ayurvedic medicine for Gas and Indigestion and those are Gas-O-Go Syp for Dyspepsia | Lavizyme Syrup for Acidity | Yumzyme Hepatoprotective Capsules etc
TEST BANK For Community Health Nursing A Canadian Perspective, 5th Edition by...Donc Test
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Cell Therapy Expansion and Challenges in Autoimmune DiseaseHealth Advances
There is increasing confidence that cell therapies will soon play a role in the treatment of autoimmune disorders, but the extent of this impact remains to be seen. Early readouts on autologous CAR-Ts in lupus are encouraging, but manufacturing and cost limitations are likely to restrict access to highly refractory patients. Allogeneic CAR-Ts have the potential to broaden access to earlier lines of treatment due to their inherent cost benefits, however they will need to demonstrate comparable or improved efficacy to established modalities.
In addition to infrastructure and capacity constraints, CAR-Ts face a very different risk-benefit dynamic in autoimmune compared to oncology, highlighting the need for tolerable therapies with low adverse event risk. CAR-NK and Treg-based therapies are also being developed in certain autoimmune disorders and may demonstrate favorable safety profiles. Several novel non-cell therapies such as bispecific antibodies, nanobodies, and RNAi drugs, may also offer future alternative competitive solutions with variable value propositions.
Widespread adoption of cell therapies will not only require strong efficacy and safety data, but also adapted pricing and access strategies. At oncology-based price points, CAR-Ts are unlikely to achieve broad market access in autoimmune disorders, with eligible patient populations that are potentially orders of magnitude greater than the number of currently addressable cancer patients. Developers have made strides towards reducing cell therapy COGS while improving manufacturing efficiency, but payors will inevitably restrict access until more sustainable pricing is achieved.
Despite these headwinds, industry leaders and investors remain confident that cell therapies are poised to address significant unmet need in patients suffering from autoimmune disorders. However, the extent of this impact on the treatment landscape remains to be seen, as the industry rapidly approaches an inflection point.
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Project 3 Final Slides Ashraf Fink Weil
1. Evaluating the Effects of Large Scale Health Interventions in
Developing Countries:
The Zambian Malaria Initiative
Nava Ashraf, Harvard University and NBER
Günther Fink, Harvard University
David N. Weil, Brown University and NBER
December 2009
2. The Zambia Malaria Initiative
Starting 2001, Zambia committed to large scale-up of malaria
control and treatment
Large commitment of domestic and donor resources
Goal: 75% reduction in malaria incidence, 20% reduction in
under-five mortality
3. Why Zambia, Why Now?
History of malaria control: big successes in post-World War II
period using DDT
WHO etc. viewed Africa as too difficult
Within Zambia: Success against malaria in post-independence,
following by massive backsliding
Maturation of new technologies (treated nets, ACT, RDT)
Donor focus
Desire for a big win as demonstration
Institutional capacity, political commitment, favorable climate
4. Figure 1: Malaria Deaths
6,000
5,000
4,000
malaria inpatient
3,000 deaths under 5
malaria inpatient
2,000 deaths 5 and over
1,000
0
2000 2002 2004 2006 2008
Source: HMIS
5. A Big Success
Malaria deaths fell by half (2000-08) while population rose by 30%
Similar decline for inpatient malaria visits
DHS 2001-2007:
o fever previous two weeks (under 5) fell from 45% to 18%
o under five mortality fell from 168 to 119 (not all from malaria)
25,000 children’s lives saved per year
HDI equivalent: 25% growth of income per capita
6. Our Paper
Organize, clean, cross-check data
o Apply our skills to help understand what is going on
Study relation of inputs (nets distributed, houses sprayed, etc.)
and outputs (health outcomes)
o “bang for buck”
o Need for caution in doing this!
Use Zambian experiment to understand economic effects of
malaria and its control
7. Data
DHS 2001 and 2007. Standard data. Great timing!
NMCC data on nets, spraying, anti-malarial drugs, etc.
o NMCC takes strong hand in centralizing and coordinating NGO
activities
Health Management Information System (HMIS)
8. The HMIS
1995-2008, quarterly data
Disease data (diagnosis, death, inpatient and outpatient), service
delivery
All MOH facilities from hospitals to health posts (except level 3
referral hospitals).
Data passed from facility (1,554) district (72) province (9)
Lusaka
Cleaned/checked at district and province levels
Opportunities for error:
o Varying quality of record keeping at facility level
o Data entry (only once, no consistency checks)
o Only most recent quarter appended to central data set; updates,
corrections missed
9. Improvement of the HMIS
Re-collect data that never made it into the national dataset
systematically scanned for outliers and suspicious data points
(duplicate figures, significant variance between quarters or years,
reporting inconsistencies)
District health officials were asked to find missing reports and justify
all irregular data
9 provincial data workshops, total cost $200,000; 250 total attendees
Not only (or mostly) data improvement: also capacity building,
analysis of impact of health interventions.
10. Changes in the HMIS
Fill in of missing observations (about 4%)
Corrections of errors (see table 1)
Biggest example: change in under-five malaria deaths 2006-2007
o Initial: rose by 13%
o Corrected: fell by 18%
11. Remaining Issues in the HMIS Data: Diagnosis and Access
Mis diagnosis due to
o Treating all fevers as malaria
Fell with introduction of RDTs – bias in trend
o Stigma leads to HIV deaths reported as malaria – bias in level or
trend
Abolition of user fees for adults in rural facilities: spike in outpatient
visits that year
To minimize all these biases: we look at inpatient cases, malaria
deaths, total deaths
12. Remaining Issues in HMIS Data: Extent of HMIS Coverage
Not all cases (or even all deaths) enter the government system
What if this is non-representative or changes over time?
o HMIS better in urban than rural? Miss much malaria mortality.
o Program rolled out best near HMIS reporting facilities?
13. HMIS vs. DHS: Under 5 Deaths
HMIS under- 5 times DHS under- HMIS
five deaths column 1 five mortality deaths as %
per 1,000 per 1,000 of DHS
deaths
2001 8.63 43.2 168 25.7%
2007 5.08 25.4 119 21.3%
% change 41% 29%
HMIS gets only 20-25% of total deaths!
DHS mortality measured in 2007 is for 2003-2007: so too high for
2007
HMIS decline in mortality 2001 to average 2003-07 is exactly 29%
14. Figure 3: Deaths by Province in DHS vs. HMIS
180 50
HMIS Under 5 Deaths per 1000 times 5
160 45
40
DHS Under 5 Mortality
140
35
120
30
100
25
80
20
60 DHS 2007
15
HMIS 2007
40 10
20 5
0 0
15. Figure 4: Mortality Changes: HMIS vs. DHS
0
Copperbelt
Lusaka
Change in child mortality DHS 2001 - 2007
Eastern
-.1
Northern
North-Western
-.3 -.2
Western Southern
Luapula
Central
-.4
-.6 -.5 -.4 -.3 -.2 -.1
Change in child mortality HMIS 2001 - 2007
16. Remaining Issues in HMIS Data: Non-Reporting Facilities
Many zero values may be non-reports
Two ways to deal with this:
o Sample of “always reporting facilities”
o Construct chain-index
17. Figure 2: Deaths per 1,000 Children Under 5, HMIS
10.00 2.50
9.00
8.00 2.00
7.00
High Quality Sample
6.00 1.50
Full Sample
5.00
4.00 1.00
3.00
full sample
2.00 0.50
high quality sample
1.00
0.00 0.00
2000 2001 2002 2003 2004 2005 2006 2007 2008
18. Figure 5: Malaria Cases and Deaths, Chained Index
160
140
120
Outpatients Under 5
100
Outpatients 5+
80 Inpatients Under 5
Inpatients Over 5
60
Deaths_O5
40 Deaths Over 5
20
0
2000 2001 2002 2003 2004 2005 2006 2007 2008
19. Figure 6: Ratio of Malaria to Non-Malaria Mortality
0.7
0.6
0.5
0.4 under 5, all facilities
Ratio
under 5, always reporting
0.3 5+, all facilities
5+, always reporting
0.2
0.1
0
2000 2002 2004 2006 2008
20. Seasonality in Deaths – full period
0
‐0.1
deaths per thousand children
‐0.2
‐0.3
‐0.4
all under 5 deaths
‐0.5 malaria deaths
‐0.6
‐0.7
‐0.8
1 2 3 4
Quarter
22. Seasonal in All-Cause Mortality
0
‐0.1
‐0.2
‐0.3
Deaths per Thousand
‐0.4
‐0.5 post
pre
‐0.6
‐0.7
‐0.8
‐0.9
‐1
1 2 3 4
23. Elements of program
Treated bednets (more than half of 2008 budget)
Indoor Residual Spraying
artemisinin-based combination therapy (ACT)
Rapid Diagnostic Testing
IPT in pregnancy
Big contemporaneous push on HIV, tuberculosis, and child health!
24. Number of
Population covered
bednets RDT Distributed
by spraying
distributed
2002 112,020 - 0
2003 557,071 324,137 0
2004 176,082 679,582 0
2005 516,999 1,163,802 172,257
2006 1,163,113 2,836,778 25,700
2007 2,446,102 3,286,514 243,600
2008 964,748 5,558,822 2,015,500
25. Nets distributed per Percentage of children Percentage of
person between 2001 in households owning children sleeping
and 2007 DHS at least one net 2007 under net 2007
Central 0.15 0.68 0.37
Copperbelt 0.12 0.74 0.43
Eastern 0.12 0.71 0.37
Luapula 0.43 0.86 0.74
Lusaka 0.16 0.68 0.30
Northern 0.15 0.57 0.41
North‐Western 0.39 0.73 0.43
Southern 0.22 0.60 0.25
Western 0.64 0.87 0.55
Total 0.26 0.72 0.43
26. Fraction of
Percentage of
population Urbanization
children in 2007
officially covered (2000)
DHS living in
Province by spraying in
sprayed households
2006
Central 0.12 0.12 .24
Copperbelt 0.63 0.41 .78
Eastern 0.00 0.02 .09
Luapula 0.00 0.01 .13
Lusaka 0.73 0.29 .82
Northern 0.00 0.04 .14
North-
Western 0.09 0.14 .12
Southern 0.16 0.13 .21
Western 0.00 0.02 .12
27. Assessing the Link from Rollout to Incidence
Want to learn the structural effect of inputs (nets, spraying, etc.) on outputs
(disease, death)
Treatment is not randomly applied
o Resources pushed to areas in need (or forecast need)
o modalities chosen in optimizing fashion
o Efficacy of local staff important omitted variable (field works says)
Can we sign the biases? (current conditions, health staff efficacy, forecast
conditions)
Identifying variation comes from
o Deviation from optimal plan, random events
o Discontinuities in response function (e.g. IRS rollout; ACT stockouts;
bednets in 2008?)
28. Table 7: Bednets, child fever and child diarrhea, DHS
Dependent variable Child had fever over last two weeks
(1) (2) (3) (4)
HH owns bednet -0.0213* -0.921***
(0.0111) (0.267)
slept under net -0.0106
(0.0110)
Bednet distribution pc -0.209***
(0.0487)
Observations 11193 11027 11193 11193
R-squared 0.129 0.128 0.131 -0.513
Placebo test with diarrhea
29. Table 9: Control for baseline level in micro‐level regression, DHS
Dependent variable Child had fever over last two weeks
(1) (2) (3) (4)
HH owns bednet -0.0141 -0.695
(0.0105) (0.496)
Child slept under net -0.00428
(0.00895)
Bednet distribution -0.104***
(0.0364)
Baseline fever 0.867*** 0.888*** 0.806*** 0.393
prevalence (0.0944) (0.0933) (0.0973) (0.400)
Observations 11193 11027 11193 11193
R-squared 0.136 0.135 0.136 -0.229
30. Table 11: Bednets and Death of Child in last 5 years
(1) (2) (3)
HH owns bednet -0.00968
(0.00690)
Kids in HH slept with -0.0486***
(0.00608)
ITN district coverage -0.0443*
(0.0255)
Female -0.0199*** -0.0199*** -0.0199***
(0.00538) (0.00535) (0.00539)
Observations 13201 13201 13201
R-squared 0.032 0.036 0.032
Full coverage reduces deaths by 4.4 percentage points
31. Table 13 B: ITN Distribution and Malaria Relative to Population
Malaria Malaria Other Malaria Malaria Other
inpatients deaths per deaths inpatients deaths per deaths per
per 1000 1000 per 1000 per 1000 1000 1000
children children children children children children
under 5 under 5 under 5 under 5 under 5 under 5
(1) (2) (3) (4) (5) (6)
Nets per capita 6.088 -0.121 -1.543
(9.872) (0.309) (1.102)
L1 nets per capita -26.25*** -0.778*** -0.709 -30.14** -0.852** -1.797*
(9.279) (0.271) (0.769) (12.74) (0.382) (1.077)
L2 nets per capita -33.50 -0.0370 -3.839**
(36.40) (0.817) (1.557)
Observations 573 573 573 501 501 501
R-squared 0.811 0.634 0.744 0.824 0.637 0.771
32. Table 14: IRS Results, DHS
Dependent variable Child had fever over last two weeks
(1) (2) (3) (4)
Percentage of district population 0.102***
sprayed (0.0192)
Household sprayed (self-report) 0.0482** -0.0162
(0.0195) (0.0199)
Fraction of households sprayed in -0.00778
Cluster (0.0394)
2nd wave dummy -0.283*** -0.257***
(0.0122) (0.0108)
Observations 11524 11523 5671 5672
R-squared 0.123 0.121 0.047 0.046
33. IRS in the HMIS (Table 15A)
Malaria Malaria Other Malaria Malaria Other
inpatient deaths deaths inpatients deaths deaths
s under under 5 under 5 under 5 under 5 under 5
5
(1) (2) (3) (4) (5) (6)
Spraying target -241.5 -22.57* 0.539 -308.9* -24.72** -0.278
Dummy (189.1) (12.15) (17.62) (176.4) (12.12) (17.28)
Lag 1 Bed nets in -9.351*** -0.298*** -0.113
thousands (2.324) (0.0702) (0.147)
Observations 573 573 573 573 573 573
R-squared 0.866 0.760 0.905 0.873 0.766 0.905
34. Table 15 B (Nets and Spraying Adjusted by Population)
Malaria Malaria Other Malaria Malaria Other
inpatients deaths deaths inpatients deaths deaths
per 1000 per 1000 per 1000 per 1000 per 1000 per 1000
children children children children children children
under 5 under 5 under 5 under 5 under 5 under 5
(1) (2) (3) (4) (5) (6)
Fraction 6.199 -0.416 0.792 2.526 -0.558 0.722
Sprayed (9.660) (0.370) (0.559) (9.760) (0.372) (0.543)
Nets per capita -25.38*** -0.984*** -0.484
(9.548) (0.257) (0.704)
Observations 573 573 573 573 573 573
R-squared 0.809 0.656 0.787 0.811 0.661 0.787
35. Figure 8: Health Facilities and Spraying in the Chingola District 2008
Green crosses represent health facilities, black dots sprayed structures. Grey lines are
district boundaries.
36. Conclusions
Anti-malaria campaign has been a huge success
Other dimensions of health push also huge success
Cleaned up HMIS useful tool for tracking rollout and impact
Input->outcome results: very tentative evidence that we see nets working
better than spraying
37. Future direction for research
How does malaria (or health more generally) affect economic outcomes?
o Macarthur and Sachs
o Acemoglu and Johnson
o Ashraf, Lester, and Weil
Zambia provides good identifying variation because
o Impetus for campaign was (largely) exogenous
o Regional variations in rollout partly random
o Possible to identify other random shocks
Issues to study
o Fertility (rural TFR rose from 6.9 to 7.5, urban flat at 4.0)
o Labor productivity
o education
38. Sustainability and Further Progress
This is not eradication (yet?)
Maintaining 75% reduction much harder than maintaining 100%
Resource demands will remain high
Always danger of relapse