Table 5.
The multivariate regression analysis of postprocedural complications
| Risk factors | OR (univariable) | OR (multivariate) | |
| Age groups | ≤40 years vs 41–65 years ≤40 years vs ≥65 years |
0.87 (95% CI: 0.53 to 1.44, p=0.587) | 0.92 (95% CI: 0.55 to 1.54, p=0.740) |
| 0.79 (95% CI: 0.47 to 1.32, p=0.363) | 0.82 (95% CI: 0.48 to 1.40, p=0.463) | ||
| Female gender | 1.44 (95% CI: 0.94 to 2.23, p=0.094) | 1.34 (95% CI: 0.87 to 2.10, p=0.192) | |
| Previous ERCP | 1.61 (95% CI: 1.05 to 2.51, p=0.030) | 1.88 (95% CI: 0.38 to 3.94, p=0.541) | |
| Pancreatic cannulation | 0.49 (95% CI: 0.32 to 0.77, p=0.001) | 0.81 (95% CI: 0.44 to 1.55, p=0.507) | |
| Native papilla | 1.59 (95% CI: 1.04 to 2.48, p=0.037) | 0.6 (95% CI: 0.03 to 5.21, p=0.678) | |
| Techniques (vs sphincterotomy) |
Double wire cannulation | 2.73 (95% CI: 1.52 to 4.85, p=0.001) | 2.29 (95% CI: 1.08 to 4.95, p=0.033) |
| Precut papillotomy | 2.12 (95% CI: 0.77 to 4.97, p=0.108) | 2.26 (95% CI: 0.81 to 5.46, p=0.089) | |
| Cannulation without sphincterotomy | 1.05 (95% CI: 0.31 to 2.75, p=0.928) | 1.11 (95% CI: 0.32 to 2.97, p=0.849) | |
| Previous sphincterotomy | 0.86 (95% CI: 0.51 to 1.46, p=0.572) | 1.09 (95% CI: 0.38 to 3.60, p=0.885) | |
| Cannulation with altered anatomy/obstruction | 2.26 (95% CI: 0.35 to 8.26, p=0.287) | 2.72 (95% CI: 0.39 to 11.5, p=0.224) | |
| Failure to attempt cannulation | 1.51 (95% CI: 0.24 to 5.33, p=0.588) | 1.68 (95% CI: 0.26 to 6.03, p=0.497) | |
| Cannulation with pancreatic papillotomy | 1.51 (95% CI: 0.08 to 7.83, p=0.697) | 1.33 (95% CI: 0.07 to 7.46, p=0.792) | |
P value<0.05 is considered significant.
ERCP, endoscopic retrograde cholangiopancreatography.