Table 10

Evaluation of each of the three clinical signs of pudendal canal syndrome

Tests

SE

SP

PPV

NPV

OR

95%IC(OR)

Nb of Cases Before

Nb of Controls


Abnormal sensibility

0,57

0,77

0,38

0,88

4,42

1,99 – 9,82

42

82

Painful Alcock's canal

0,70

0,71

0,37

0,90

5,52

2,51 – 12,15

46

82

Painful skin rolling test

0,55

0,84

0,47

0,89

6,56

2,74 – 15,68

38

82


SE = sensibility, SP = specificity, PPV = positive predictive value, NPV = negative predictive value, OR = odd ratio, 95%IC (OR) = 95 % confidence interval of the odd ratio. PPV and NPV for a prevalence of 20 %.

Beco et al. BMC Surgery 2004 4:15   doi:10.1186/1471-2482-4-15

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