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Table 9 Error analysis of the ad hoc extraction of medications

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

 

Medications

Occurrences

 

#

%

#

%

Abbreviation

40

33%

76

41%

Not in DB

22

18%

39

21%

Alternative notation

9

7%

10

5%

Misspelling

38

31%

47

25%

Search to fuzzy

3

2%

6

3%

Incorrect extracted medication

9

7%

9

5%