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Table 3 Sensitivity, specificity and positive predictive value (PPV) of symptoms using CT PCR as the standard

From: Prevalence and risk factors of three curable sexually transmitted infections among women in Nairobi, Kenya

 

Sensitivity  (%)

Specificity  (%)

PPV  (%)

Vaginal discharge

36

66

14

Lower abdominal pain

33

61

12

Vaginal itch

24

76

13

Pain on micturition

3

83

5

Intermenstrual bleeding

3

88

4

Bleeding after sexual intercourse

12

93

21