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 | |||
a
P < 0.05.
1
Calculated by Fisher’s exact test; SGT: Single-guidewire technique; DGT: Double-guidewire technique; PEP: Post-endoscopic retrograde cholangiopancreatography pancreatitis.