v0.2.3 — July 2025

Patch release | CDM v5.4

Summary

Data quality assessment and exploratory analysis across clinical tables, with initial subsample infrastructure for reproducible testing.

Changes

• Concept mapping assessment — systematic review of concept mapping coverage across all tables, including top-10 concept analysis and non-zero mapping rates
• Subsample creation — created representative patient subsamples from Epic and CDW for unit testing and QA validation
• Drug exposure EDA — completed exploratory data analysis for ambulatory, anesthesia, and hospital drug exposure records
• Procedure occurrence EDA rerun — refreshed procedure analysis with updated data
• Drug exposure final table EDA — comprehensive review of the merged drug_exposure table
• Deident_driver update — updated de-identification driver with deduplicated patient set
• QA documentation — improved internal QA documentation structure