Extended Data Fig. 4: Kaplan-Meier estimates of overall survival by number of relapses.

a, OS by lesions in the overall cohort without separating surgery or control arm. b, OS by lesions in surgery and control arms. Hazard ratio and the corresponding 95%CI were estimated using an unstratified Cox proportional hazards model. In the GOG-0213 trial, 55% of the women had 1-2 sites of relapse. NE = not estimable.