Figure 6. Validating the reliability of this risk score model. (A) Time-dependent ROC curves for estimating OS based on risk scores and clinical indicators in the TCGA-LIHC cohort. (B) Kaplan–Meier survival curve of CPTAC-LIHC patients. (C) Time-dependent ROC curves for estimating OS based on risk scores in the CPTAC-LIHC cohort.