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Introduction To Medical Data


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Introduction To Medical data, types of medical data and uses of medical data

Introduction To Medical Data

  1. 1. Introduction To Medical Data Dr. Neelesh Bhandari MBBS (AFMC), MD (Pathology), PGP Human Rights • CEO, Digital MedCom Solutions • Director, RAKSHA
  2. 2. Data  Knowledge• Data• Information• Knowledge
  3. 3. The Healthcare Process: • Gather Data • Interpret Meaning • Make decision
  4. 4. Process of hypothesis generation and refinement
  5. 5. Decision Taking• Decision taken via etiology diagrams, Decision trees or expert computer systems.• Use of the quantifiable notion of ‘Utilities’.• Quality v/s Length of Life
  6. 6. Medical datum and data• Medical datum is any single observation of a patient, data is plural of datum.• A number of datum make up data. BP:120/80 mm of Hg (data or datum?)• Importance of having a sound data model.
  7. 7. 4 Elements of medical datum1) Patient in Question2) Parameter to be observed3) Value4) Time of observation
  8. 8. Various Types of Data• Narrative• Textual• Numeric• Device inputs• Drawings• Photographs
  9. 9. Peculiarities of Medical data• Typical phrases like RRR / TWNL / NAD• Different meanings in different contexts eg: M.I may mean different things in different cases/ contexts
  10. 10. Weakness of Traditional Record Keeping•No Linkage•Difficult Chronology•Redundant•Inefficient
  11. 11. Medical Data used by• All Stakeholders in the healthcare delivery in clinical settings (admin/ physicians/ finance, etc)• Research and analysis/ New eHealth Products• helps create Guidelines for EBM• Governments, NGOs• Clinical research
  12. 12. Important Terms• Sensitivity• Specificity• Incidence• Prevalence• Odds, Risk• Likelihood ratios
  13. 13. Calculating decisions LR= Likelihood Ratio• LR+ = TPR/FPR• LR- = FNR/TNR• Predictive value of tests• Calculating value of decision at each fork
  14. 14. Data Sources• Clinic records• Hospital records• Disease registers• Medical literature• Web based databases• Survey reports• …..
  15. 15. Patient data and real time collaboration
  16. 16. Who are The Data Sharers/ Data Collectors• Physicians• Nurses• Lab personnel• Therapists• Pharmacy• Administrative staff
  17. 17. Uses Of Medical data• Create historical record, compliance• Communication between stakeholders• Anticipate future health problems/ trends• Support basic research• Create guidelines for good clinical practice• Quality studies• Fuel eHealth startups
  18. 18. Data Agencies in India• National sample surveys• NRHM units• CGHS• National and state programs• Teaching Hospitals• Private sector• NGOs
  19. 19. Dr. Neelesh Bhandari Medicine