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Table 6 Factors of procedural failure: multivariate analysis

From: Risk factors for adverse events associated with endoscopic retrograde cholangiopancreatography in patients with surgically altered anatomy: a retrospective study

Variable OR (95% CI) P value
Multiple cannulation attempts 5.283 (1.088, 25.659) 0.039
Endoscopic papillary balloon dilation 4.381 (1.191, 16.114) 0.026
Biopsy in the bile duct or papilla 35.432 (2.693, 466.104) 0.007
  1. OR: Odds ratio; CI: confidence interval