Fig. 2From: Supervised training of laparoscopic colorectal cancer resections does not adversely affect short- and long-term outcomes: a Propensity-score-matched cohort studyKaplan-Meier curve of disease-free survival of training case and non-training case laparoscopic colorectal cancer resections in curative intent. Hazard ratio (HR) and 95% confidence interval (95% CI) were calculated by a univariate Cox proportional hazard modelBack to article page