BMC Medical Informatics and Decision Making

Table 8 Performance of the ad hoc extraction of medications

From: Replicating medication trend studies using ad hoc information extraction in a clinical data warehouse

Dataset	Documents	Medications	TP	FP	FN	Precision	Recall	F1
Overall	600	5701	5529	15	172	0.997	0.970	0.983
2005	300	23000	2176	13	124	0.994	0.946	0.969
2015	300	3041	3353	2	48	0.999	0.986	0.993
I10	200	1817	1768	3	49	0.998	0.973	0.986
I48	200	1795	1741	1	54	0.999	0.970	0.984
N18	200	2089	2020	11	69	0.995	0.967	0.981

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ISSN: 1472-6947

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