Fig. 1

Survival curves for OS (A) and PFS (B) before PSM, and survival curves for OS (C) and PFS (D) after PSM. OS, overall survival; PFS, progression-free survival
Survival curves for OS (A) and PFS (B) before PSM, and survival curves for OS (C) and PFS (D) after PSM. OS, overall survival; PFS, progression-free survival