Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastrointest Endosc. Oct 16, 2021; 13(10): 491-501
Published online Oct 16, 2021. doi: 10.4253/wjge.v13.i10.491
Figure 4
Figure 4 Kaplan–Meier estimates of overall survival. HR: Hazard ratio; CI: Confidence interval; GE: Gastrointestinal endoscopy.