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Table 11 Evaluation of different combinations of the three clinical signs of pudendal canal syndrome

From: Pudendal nerve decompression in perineology : a case series

Test: All Three Clinical Signs

SE

SP

PPV

NPV

OR

95%IC(OR)

Nb of Cases Before

Nb of Controls

All positive vs. All negative

0,68

0,89

0,60

0,92

16,97

4,68 – 61,51

19

53

At least 2 positive vs. At least 2 negative

0,66

0,82

0,47

0,90

8,53

3,40 – 21,39

32

82

At least 1 positive vs. All negative

0,81

0,57

0,32

0,92

5,82

2,16 – 15,66

32

82

  1. 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 %.