Fig. 4

Stratification analysis in the entire set. Kaplan–Meier survival curves found the PCG-lncRNA signature could classify TMZ-chemoradiation treated patients (a) and untreated patients (b) in the entire TCGA dataset and TMZ-chemoradiation treated patients (c) and untreated patients (d) in the GSE7696 dataset into high- and low-risk groups. P Value was calculated by log-rank test