Retrospective Study
Copyright ©The Author(s) 2019.
World J Gastrointest Endosc. Mar 16, 2019; 11(3): 231-238
Published online Mar 16, 2019. doi: 10.4253/wjge.v11.i3.231
Table 4 Multivariate stepwise analysis of biliary biopsy positivity
OR95%CIP value
Number of ERCP sessions < 24.81.08-21.40.04