Pancreatic duct guidewire placement for biliary cannulation in a single-session therapeutic ERCP

Table 2 Comparison between single-guidewire technique/double-guidewire technique, single-guidewire technique/pre-cut failed double-guidewire technique and single-guidewire technique/pre-cut first step methods in terms of patient outcome, the development of asymptomatic hyperamylasemia or post-endoscopic retrograde cholangiopancreatography pancreatitis n (%)

Variables	SGT	DGT	SGT	Pre-cut failed DGT	SGT	Pre-cut first step
Outcome (success)	2153 (92.3)	49 (43.8)	2153 (92.3)	46 (73.0)	2153(92.3)	54 (80.6)
P value1	< 0.001a		< 0.001a		0.002a
Asymptomatic hyperamylasemia	258 (12.0)	11 (22.4)	258 (12.0)	15 (23.8)	258 (12.0)	10 (14.9)
P value1	0.046a		0.008a		0.591
PEP	115 (5.3)	3 (6.1)	115 (5.3)	5 (7.9)	115 (5.3)	5 (7.5)
P value1	0.935		0.538		0.629

^aP < 0.05.

¹Calculated by Fisher’s exact test; SGT: Single-guidewire technique; DGT: Double-guidewire technique; PEP: Post-endoscopic retrograde cholangiopancreatography pancreatitis.