Additional file 1: Table S1. Information about the Magnetic Resonance Imaging (MRI) acquisition parameters. Table S2. Demographic, clinical and MRI-related data of included patients with IDH-wildtype glioblastoma (n=17) and IDH-mutant astrocytoma (n=2). Table S3. Comparative table with previous studies reported in literature related with the correlation between perfusion MRI and vascular features defined by histopathological analyses. Figure S1. Kaplan Meier curves with the estimated survival functions for IDH-wildtype and IDH-mutant glioblastoma patients from the Ivy GAP database included in the study.