CohortDiagnostics
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Ideas for Diagnostics for Cohort Exist
We would like to build diagnostics for cohort exit, such as:
- what was the visit context at the time of exit
- What were the events at the time of exit
- What was the reason (rule) that lead to the exit
- Distribution of observation person days after cohort end date
Technical solution: An easy solution to generate characteristics on cohort_end_date is to create a new cohort on the fly, where cohort_end_date becomes the cohort_start_date. Then run feature extraction, cohort relationship etc on the new cohort table
We are increasingly defining reasons why a person may exit a cohort. e.g. if platelet levels return back to normal for persons with thrombocytopenia.
We would really benefit from a new diagnosis that perform index event like breakdown on exit event.
Can we characterize the cohort based on cohort end date?