Table 4 Multivariate analysis of the factors affecting recurrent biliary complications
| Factors | Risk ratio (95% CI) | P |
|---|---|---|
| Gallstones (yes/no) | 8.42(1.12–63.14) | 0.038 |
| Alcohol drinking (yes/no) | 2.95(1.14–7.68) | 0.026 |
| Renal failure (yes/no) | 1.50(0.49–4.67) | 0.480 |
| Sessions for bile duct clearance (1/> 1) | 0.26(0.08–0.84) | 0.024 |