OHDSI/CommonDataModel

Definition and DDLs for the OMOP Common Data Model (CDM)

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Forks: 508
Open beginner issues: 0
Indexed issues: 74
Avg merge: 1h 30m
Merged PRs (30d): 3

Dominant language: HTML
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Last GitHub push: Aug 25, 2026
Latest indexed: Sep 19, 2026
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Beginner friendly Everything

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4 beginner-friendly issues open

Lots of broken links in the episode table docs Open

Difficulty 1/5 Under an hour Newbie friendliness 74/100

OHDSI/CommonDataModel#802 · 1 comment · Opened Aug 13, 2026
check marks and Xs on front page, tooling support section, need to be updated, right now they look like r code Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

OHDSI/CommonDataModel#799 · Opened Jul 30, 2026
fix: mark cohort_definition_id as primary key in cohort_definition table for v5.3 and v5.4 Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

OHDSI/CommonDataModel#787 · Opened Jun 19, 2026
Table PERSON vs EPISODE) foreign key columns to match exactly Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

OHDSI/CommonDataModel#784 · Opened Apr 18, 2026

A short digest of beginner-friendly GitHub issues.