Table 3

 Multivariate analysis of potential risk factors for choledochal complications

Risk factorAdjusted odds ratio95% adjusted CIp 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 mm6.411.92–21.340.003
Interval between initial ES and repeat ERCP ⩽5 y4.191.38–12.760.012
Periampullary diverticulum3.161.07–9.310.037
Bile duct stone diameter ⩾15 mm0.124
Mechanical lithotripsy0.158