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Table 10 Evaluation of each of the three clinical signs of pudendal canal syndrome

From: Pudendal nerve decompression in perineology : a case series

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
  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 %.