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Table 12 Performance of the ad hoc extraction of the daily medications dose

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

Dataset

Documents

TP

FP

FN

Precision

Recall

F1

Overall

900

875

21

25

0.977

0.972

0.974

Xarelto

100

100

0

0

1.0

1.0

1.0

Eliquis

100

95

3

5

0.960

0.950

0.955

Pradaxa

100

92

6

8

0.939

0.920

0.929

NOACs

300

287

12

13

0.960

0.957

0.958

Esidrix

200

197

2

3

0.990

0.985

0.987

Concor

200

196

4

4

0.980

0.980

0.980

Delix

200

195

3

5

0.985

0.975

0.980

Antihypertensive drug

600

581

9

12

0.985

0.980

0.982

2015

600

586

13

14

0.978

0.977

0.977

2005

300

289

8

11

0.973

0.963

0.968