Figure 4

Validation of the six-gene signature in the ICGC cohort. (a) the distribution and median value of the risk scores in the ICGC cohort. (b) Kaplan-Meier curves for the OS of patients in the high-risk group and low-risk group in the ICGC cohort. (c) the distributions of OS status, OS and risk score in the ICGC cohort. (d) AUC of time-dependent ROC curves verified the prognostic performance of the risk score in the ICGC cohort. (e) PCA plot of the ICGC cohort. (f) t-SNE analysis of the ICGC cohort.