Fig. 3

Subgroup analysis of RFS (A) and OS (B) after PSM. RFS, recurrence-free survival; OS, overall survival; PSM, propensity score matching; HR, hazard ratio
Subgroup analysis of RFS (A) and OS (B) after PSM. RFS, recurrence-free survival; OS, overall survival; PSM, propensity score matching; HR, hazard ratio