TABLE 3.

The accuracy of procedures varies depending on the aetiology – X-rays

X-rays
			Aetiology							Total
			Cervical cancer	Rectal cancer	Inflammatory dermoid cysts	Crohn’s disease	Unknown	Postpartum	Ulcerous colitis
	Neg. (−)	Number	1	1	0	9	2	0	2	15
		%	100.0	25.0	0.0	100.0	100.0	0.0	40.0	62.5
	Pos. (+)	Number	0	3	1	0	0	2	3	9
		%	0.0	75.0	100.0	0.0	0.0	100.0	60.0	37.5
Total		Number	1	4	1	9	2	2	5	24
		%	100.0	100.0	100.0	100.0	100.0	100.0	100.0	100.0
			χ2=17.600	p=0.014