Figure 2. Survival analysis of both cohorts. (A) The mPFS of the two cohorts showed no statistical difference (10.5 months (95%CI 6.4-14.6) vs 8.0 months (95%CI 3.2-12.8)) (P=0.689). (B) The mOS of the two cohorts did not show statistical difference (23.3 months (95%CI 12.1-34.5) vs 20.0 months (95%CI 10.1-29.9)) (P=0.690).