MGMT and glioblastoma: However, it was not significantly correlated with the KPS (≥90 vs. <90, P=0.609816) (Supplementary Table 1), and the clinicopathological features, including patient age (<65 vs. ≥65, P=0.089722), gender (Female vs. Male, P=0.136863), MGMT expression (Low vs. High, P=0.204737), and overall survival indicator (censor vs. death, P=0.712211), in the TCGA GBM cohort (Table 4).