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EDA (Exploratory Data Analysis) of Bahmni (EMR) data
Karrtik Iyer
Mail: @karrtik
Tweets @karrtikiyer
YouTube playlist
Purpose
Explore EMR data collected over a period of time to:
1. Derive insights
2. Observe Trends
3. Establish probable correlations.
4. Help community to get started to explore their EMR data.
Objectives/Agenda
1. Look at patient trend across various regions
2. Top 10 diagnosis reported
3. Pick up top diagnosis to further analyze
a. Male/Female ratio
b. Top regions/villages
c. Age distribution
d. Year wise trend
e. Explore observations/results and chief complaints reported for these patients.
4. Insights from data and challenges
5. Quick peek into other insights which can be derived from this EMR data.
Pre-requisites
1. Basic knowledge of
a. Bahmni/OpenMRS data model and concept dictionary
b. SQL
c. R (RStudio IDE)
2. PC/MAC/Linux machine set up with
a. MySQL Client to connect to the MYSQL server on which Bahmni anonymous DB is set up,
it could be either local or remote server
b. R and RStudio installed
Why R?
1. Open source with great community support.
2. Lot of inbuilt packages for descriptive and predictive analytics which can
be used out of box.
a. Very good mix of packages for querying and plotting the data
3. Easy to learn and use
Let's get going
All hands on exercises are performed on
anonymous data!!!
Part 1
Fundamentals
1. Exploring tables and columns of our interests
2. Using R/RStudio
a. Connect to MYSQL DB
b. Load required R packages
Patients across Regions
1. Number of patients reported across various cities/villages.
2. Percentage of Male/Female Ratio
3. Percentage of patients from each region in top 10 cities/villages
Patient Across Regions
Part 2
Top 10 diagnosis
1. Explore distribution of various diagnoses reported across Male/Females
2. Pick up top 10 diagnosis and look at the male/female ratio
Top Diagnosis - Gastritis
Look at
1. Top 5 regions
a. With Male/Female distribution
2. Age distribution for Male/Female in the top 5 regions.
a. Boxplot
b. Histogram
3. Year wise trend
Top 10 Diagnosis
Gastritis - Deep Dive
Part 3
Explore results for top diagnosis - Gastritis
1. Gather all results for patients with gastritis.
2. Look at important results for female to identify any trends
Top Chronic Diagnosis - Diabetes
1. Gather all the lab results
2. Explore HBA1C results.
a. Lack of consistent data
3. Analyze Hemoglobin levels
a. Outliers
b. Flooring and Capping
c. Check for gender bias in 12 to 18 age group
Exploring Results
Part 4
What’s next?
1. Better understanding of data
2. Data cleaning and preparation
a. City/Village misspelled
b. Outlier detection and replacement strategy
c. Descriptive statistics, measures of central tendency, skewness, hypothesis testing.
3. Feature transformation
a. Extract new features
i. Like Average sugar levels from fasting and postprandial blood sugar levels
ii. Binning of variables such as age to infant, youth, adult, etc..
b. Natural Language processing (NLP)
i. Chief complaints
4. Clustering of patients
References and Links
1. R & RStudio: https://www.rstudio.com/products/rstudio/
2. MySQL:
https://dev.mysql.com/doc/refman/5.6/en/osx-installation-pkg.html
3. RBlogs: https://www.r-bloggers.com/
4. Source Code: https://github.com/karrtikiyer-tw/bahmni-eda
5. YouTube playlist
Thank you!
Please leave your feedback and suggestions via comments.

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Good Stuff Happens in 1:1 Meetings: Why you need them and how to do them well
 

Exploratory Data Analysis of Bahmni with R

  • 1. EDA (Exploratory Data Analysis) of Bahmni (EMR) data Karrtik Iyer Mail: @karrtik Tweets @karrtikiyer YouTube playlist
  • 2. Purpose Explore EMR data collected over a period of time to: 1. Derive insights 2. Observe Trends 3. Establish probable correlations. 4. Help community to get started to explore their EMR data.
  • 3. Objectives/Agenda 1. Look at patient trend across various regions 2. Top 10 diagnosis reported 3. Pick up top diagnosis to further analyze a. Male/Female ratio b. Top regions/villages c. Age distribution d. Year wise trend e. Explore observations/results and chief complaints reported for these patients. 4. Insights from data and challenges 5. Quick peek into other insights which can be derived from this EMR data.
  • 4. Pre-requisites 1. Basic knowledge of a. Bahmni/OpenMRS data model and concept dictionary b. SQL c. R (RStudio IDE) 2. PC/MAC/Linux machine set up with a. MySQL Client to connect to the MYSQL server on which Bahmni anonymous DB is set up, it could be either local or remote server b. R and RStudio installed
  • 5. Why R? 1. Open source with great community support. 2. Lot of inbuilt packages for descriptive and predictive analytics which can be used out of box. a. Very good mix of packages for querying and plotting the data 3. Easy to learn and use
  • 6. Let's get going All hands on exercises are performed on anonymous data!!!
  • 8. Fundamentals 1. Exploring tables and columns of our interests 2. Using R/RStudio a. Connect to MYSQL DB b. Load required R packages
  • 9. Patients across Regions 1. Number of patients reported across various cities/villages. 2. Percentage of Male/Female Ratio 3. Percentage of patients from each region in top 10 cities/villages
  • 12. Top 10 diagnosis 1. Explore distribution of various diagnoses reported across Male/Females 2. Pick up top 10 diagnosis and look at the male/female ratio
  • 13. Top Diagnosis - Gastritis Look at 1. Top 5 regions a. With Male/Female distribution 2. Age distribution for Male/Female in the top 5 regions. a. Boxplot b. Histogram 3. Year wise trend
  • 17. Explore results for top diagnosis - Gastritis 1. Gather all results for patients with gastritis. 2. Look at important results for female to identify any trends
  • 18. Top Chronic Diagnosis - Diabetes 1. Gather all the lab results 2. Explore HBA1C results. a. Lack of consistent data 3. Analyze Hemoglobin levels a. Outliers b. Flooring and Capping c. Check for gender bias in 12 to 18 age group
  • 21. What’s next? 1. Better understanding of data 2. Data cleaning and preparation a. City/Village misspelled b. Outlier detection and replacement strategy c. Descriptive statistics, measures of central tendency, skewness, hypothesis testing. 3. Feature transformation a. Extract new features i. Like Average sugar levels from fasting and postprandial blood sugar levels ii. Binning of variables such as age to infant, youth, adult, etc.. b. Natural Language processing (NLP) i. Chief complaints 4. Clustering of patients
  • 22. References and Links 1. R & RStudio: https://www.rstudio.com/products/rstudio/ 2. MySQL: https://dev.mysql.com/doc/refman/5.6/en/osx-installation-pkg.html 3. RBlogs: https://www.r-bloggers.com/ 4. Source Code: https://github.com/karrtikiyer-tw/bahmni-eda 5. YouTube playlist
  • 23. Thank you! Please leave your feedback and suggestions via comments.