A Novel Round Insulated Tip Papillotome as an Alternative to the Classic Needle-Knife for Precut Sphincterotomy in Endoscopic Retrograde Cholangiopancreatography

Table 1

Baseline demographic and clinical characteristics of eligible patients.

	NKS group ()	r-ITP group ()	value
Age, year (mean ± SD)	60.1 ± 14.4	61.1 ± 16.0	0.67
Women, (%)	40 (57.1)	40 (57.9)	0.92
Indications
Bile duct stone(s), (%)	52 (74.2)	45 (65.2)	0.25
Sphincter of Oddi dysfunction, (%)	6 (8.5)	8 (11.6)	0.56
Acute pancreatitis, (%)	8 (11.4)	8 (11.6)	0.98
Chronic pancreatitis, (%)	4 (5.7)	5 (7.2)	0.72
Malignancy, (%)	7 (10)	6 (8.7)	0.79
Associated conditions
Periampullary diverticulum, (%)	4 (5.9)	3 (4.3)	0.72
Billroth II operation, (%)	2 (2.9)	3 (4.3)	0.64
Hydatid disease, (%)	0 (0)	1 (1.5)	0.32