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Table 9 PICO features with strong relevancy within the Proton Pump Inhibitors systematic review

From: Improving reference prioritisation with PICO recognition

PICO

 

PPV

TP/FP

Tag

Lemma

PICO

BOW

PICO

BOW

O

relief

0.21

0.17

21/78

22/111

O

healing

0.13

0.11

33/215

33/264

O

heartburn

0.15

0.11

16/94

16/125

O

pain

0.15

0.12

14/79

14/98

P

oesophagitis

0.14

0.11

13/77

13/107

O

rate

0.07

0.07

35/439

35/501

P

grade

0.15

0.08

8/44

8/90

O

safety

0.10

0.08

11/94

11/122

P

reflux

0.07

0.05

23/311

23/441

  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