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Table 10 PICO features with strong relevancy within the Triptans systematic review

From: Improving reference prioritisation with PICO recognition

PICO

 

PPV

TP/FP

Tag

Lemma

PICO

BOW

PICO

BOW

O

relief

0.68

0.61

96/46

106/67

O

headache

0.53

0.43

130/113

161/212

P

migraine

0.50

0.41

138/138

198/281

P

treat

0.78

0.59

49/14

124/85

O

pain

0.59

0.52

90/63

96/89

O

severe

0.80

0.60

40/10

89/60

O

moderate

0.79

0.63

34/9

94/55

O

response

0.59

0.49

51/35

71/75

I

sumatriptan

0.43

0.41

141/187

145/211

O

mild

0.73

0.53

29/11

71/62

O

migraine

0.51

0.41

74/70

198/281

O

functional

0.81

0.56

21/5

25/20

O

effective

0.82

0.47

18/4

106/120

O

patient

0.67

0.43

26/13

194/253

O

complete

0.71

0.47

15/6

36/40

O

reduction

0.64

0.42

16/9

30/42

O

reduce

0.87

0.38

7/1

39/63

O

migraine-specific

0.80

0.50

8/2

10/10

  1. Positive predictive value (PPV) is the proportion of true positives (TP) to the total number of TP and false positives (FP). Each TP corresponds to an inclusion containing the feature; each FP corresponds to an exclusion containing the feature