Fig. 2

Comparison of PFS (a) and OS (b) between the Triple group and Quadruple group after PSM. PFS, progression free survival; OS, overall survival; PSM, propensity score matching.
Comparison of PFS (a) and OS (b) between the Triple group and Quadruple group after PSM. PFS, progression free survival; OS, overall survival; PSM, propensity score matching.