Fig. 7From: Novel models by machine learning to predict prognosis of breast cancer brain metastasesPSM adjusted OS and BCSS of BCBM patients with surgical treatment. Kaplan–Meier (K–M) survival analysis: A unadjusted OS of BCBM patients with surgical treatment; B PSM adjusted OS of BCBM patients with surgical treatment. PSM propensity score matching, OS overall survival; BCBM BC brain metastases, HR hazard ratio, CI confidence intervalBack to article page