Fig. 8From: Comparative analysis of the prognosis of external beam radiation therapy (EBRT) and EBRT plus brachytherapy for glioblastoma multiforme: a SEER population-based studySubgroup of EBRT or EBRT + BT analysis and interaction test after PSM. A The association between clinical characteristics and prognosis in only the EBRT group. B The association between clinical features and prognosis in the EBRT + BT groupBack to article page