Table 2.

Cohort identification of medications stratified by EHR-S and EHR-U data^a

Cohort	Occurrence		EHR-S			EHR-U
	Concept	Patient	Recall (%)	Precision (%)	F1-score (%)	Recall (%)	Precision (%)	F1-score (%)
Atorvastatin	1439	449	85.3	100.0	92.0	97.9	99.1	98.5
Pravastatin	586	230	94.1	99.1	96.6	99.2	98.3	98.8
Rosuvastatin	2173	849	91.4	99.5	95.3	99.2	99.4	99.3
Simvastatin	1439	449	85.3	100.0	92.0	97.9	99.1	98.5

^aAll comparisons were significant at P < .0001.