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

Table 5 Associations between the development of post-endoscopic retrograde cholangiopancreatography pancreatitis and the initial pathology within groups of patients who underwent each cannulation method n (%)

Method	Choledocholithiasis	Malignancy
Pre-cut first step
PEP	5 (19.2)	0 (0.0)
P value1	0.007a
DGT
PEP	3 (8.3)	0 (0.0)
P value1	0.556
Pre-cut failed DGT
PEP	5 (16.1)	0 (0.0)
P value1	< 0.001a
SGT
PEP	97 (5.8)	17 (3.9)
P value1	0.146

^aP < 0.05.

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