Fig. 3

a Kaplan-Meier curve of progression free survival. b Forest plot of subgroup analysis of progression free survival. Data are from assessments by the independent radiology review committee using RECIST version 1.1. The median duration of follow-up for progression-free survival was 13.6months (IQR, 4.67–18.37 months) for the socazolimab plus EC group and 16.62 months (IQR, 5.09–18.07 months) for the placebo plus EC group. *Calculated using a 2-sided stratified log-rank test