Risk factor | Adjusted odds ratio | 95% adjusted CI | p Value |
---|---|---|---|

Factors with a p value <0.1 by univariate analysis (table 2) were included in the multivariate analysis. | |||

CI, confidence interval. | |||

Bile duct diameter ⩾15 mm | 6.41 | 1.92–21.34 | 0.003 |

Interval between initial ES and repeat ERCP ⩽5 y | 4.19 | 1.38–12.76 | 0.012 |

Periampullary diverticulum | 3.16 | 1.07–9.31 | 0.037 |

Bile duct stone diameter ⩾15 mm | 0.124 | ||

Mechanical lithotripsy | 0.158 |