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

Table 3 Comparison between double-guidewire technique/pre-cut failed double-guidewire technique, pre-cut failed double-guidewire technique /pre-cut first step and double-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	DGT	Pre-cut failed DGT	Pre-cut failed DGT	Pre-cut first step	DGT	Pre-cut first step
Outcome (success)	49 (43.8)	46 (73.0)	46 (73.0)	54 (80.6)	49 (43.8)	54 (80.6)
P value1	< 0.001a		0.405		< 0.001a
Asymptomatic hyperamylasemia	11 (22.4)	15 (23.8)	15 (23.8)	10 (14.9)	11 (22.4)	10 (14.9)
P value1	0.955		0.266		0.426
PEP	3 (6.1)	5 (7.9)	5 (7.9)	5 (7.5)	3 (6.1)	5 (7.5)
P value1	0.999		0.588		0.928

^aP < 0.05.

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