Needle-knife fistulotomy vs double-guidewire technique in patients with repetitive unintentional pancreatic cannulations

Table 1 Baseline characteristics (n = 134) n (%)

	Early NKF group	DGT group	P value
Age (yr), mean ± SD	65.5 ± 13.1	65.2 ± 14.0	0.889
Male sex	33 (49.3)	34 (50.7)	0.863
ERCP indications			0.165
Choledocholithiasis	30 (44.8)	38 (56.7)
Malignant stricture	32 (47.8)	20 (29.9)
Benign biliary stricture	4 (6.0)	7 (10.4)
Other	1 (1.5)	2 (3.0)
Periampullary diverticulum	9 (13.4)	25 (37.3)	0.001
Intradiverticular ampulla	0	2
Juxtadiverticular ampulla	9	23
Pancreas duct stent	4 (6.0)	5 (7.5)	1.000

NKF: Needle-knife fistulotomy; DGT: Double-guidewire technique.