Pudendal nerve decompression in perineology : a case series

BMC Surgery

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 %.

ISSN: 1471-2482