Fig. 4

Internal validation of the 8-gene signature’s robustness in the TCGA cohort. a. Risk score, survival time, survival status and expression of the 8-gene signature in the internal validation cohort. b. ROC curve of the 8-gene signature for 1-year, 3-year and 5-year survival in the internal validation. c. Kaplan-Meier survival curve based on the 8-gene signature in the internal validation set. ROC, receiver operating characteristic; AUC, area under the curve; HR, hazard ratio; CI, confidence interval