Fig. 1From: High-dose proton beam therapy versus conventional fractionated radiation therapy for newly diagnosed glioblastoma: a propensity score matching analysisa Kaplan–Meier curves of OS according to radiation modality. OS of the PBT group was significantly longer than the OS of the CRT group. b Kaplan–Meier curves of PFS according to the radiation modality. PFS of the PBT group was significantly longer than the PFS of the CRT groupBack to article page