From: Sequential algorithm analysis to facilitate selective biliary access for difficult biliary cannulation in ERCP: a prospective clinical study
Variable
Univariate ananlysis p value
Multivariate analysis p value (adjusted OR, 95% CI)
Female gender
0.050
0.035 (4.16, 1.108-15.645)
Sphincter of Oddi dysfunction
0.187
-
Papillary contact > 5
0.345