Figure 2. Risk score as an independent risk factor for ccRCC patients. (A, B) Forest plots of univariate and multivariate Cox regression analysis. (C) Column line plot created based on age, tumor stage and risk score. (D) Calibration curves at 1, 3, and 5 years for the column-line plots. (E) Kaplan-Meier curves for high- and low-risk patients between subgroups of ccRCC patients by age, sex, clinical stage, and T.