Perforation of the Papilla of Vater in Wire-Guided Cannulation

Table 2

Perforation rate for each factor.

	Perforation rate	value
Juxtapapillary duodenal diverticulum (−) versus (+)	0.6% (1/160) versus 12.5% (6/48)	<0.001
0.025-inch guidewire versus 0.035-inch guidewire	3.1% (3/98) versus 3.6% (4/110)	n.s.
C + guidewire versus S + guidewire	3.2% (6/188) versus 5% (1/20)	n.s.
Benign disease versus malignant disease	4.9% (6/122) versus 1.2% (1/86)	n.s.

Chi-square for independence test.