0.025-inch vs 0.035-inch guide wires for wire-guided cannulation during endoscopic retrograde cholangiopancreatography: A randomized study

Table 1 Baseline characteristics of the patients n (%)

	0.025-inch group (n = 109)	0.035-inch group (n = 160)	P value
Age, median ± IQR, year (range)	73 ± 12 (31-90)	72 ± 16 (20-97)	0.8691
Sex male/female	68/41	83/77	0.0882
Benign disease	69 (63.3)	114 (71.3)	0.1702
Choledocholithiasis	54 (49.5)	78 (48.8)	0.8992
Gallbladder stones	8 (7.3)	15 (9.4)	0.5582
Benign biliary stricture	5 (4.6)	7 (4.4)	0.8272
Cholangitis	1 (0.9)	7 (4.4)	0.2032
Others	1 (0.9)	7 (4.4)	0.2032
Malignant disease	40 (36.7)	46 (28.8)	0.1702
Pancreatic cancer	13 (11.9)	26 (16.3)	0.3232
Cholangiocarcinoma	12 (11.0)	6 (3.8)	0.0192
Gallbladder cancer	5 (4.6)	3 (1.9)	0.3582
Ampullary cancer	3 (2.8)	3 (1.9)	0.9542
Cholangiocellular carcinoma	1 (0.9)	1 (0.6)	0.6542
Others	6 (5.5)	7 (4.4)	0.8932

¹Mann-Whitney U-test;

²χ² test. IQR: Interquartile range.