Fig. 2From: Survival analysis and prognostic factors of the carcinoma of gallbladderThe cumulative survival of GBC patients based on age and region: the figure shows the Kaplan-Meier functions for the survival of GBC patients based on a urban vs. rural regions of patients and b age groups of 26–45 and 46–65 years. The survival difference was measured by log-rank testBack to article page