Retrospective Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Jan 28, 2019; 25(4): 485-497
Published online Jan 28, 2019. doi: 10.3748/wjg.v25.i4.485
Figure 3
Figure 3 Kaplan-Meier analysis with the log-rank test for recurrence of common bile duct stones in the endoscopic sphincterotomy and open choledochotomy groups. A: Before matching; B: After matching. EST: Endoscopic sphincterotomy; OCT: Open choledochotomy.