Figure 7. Validating the prognostic role of the DRG risk scoring model. (A, B) ROC curves of training and testing-group for predicting 1, 3, and 5-year survival. (C, D) KM curves of training and testing-group. (E, F) Point and scatter plots of risk score distribution and patient survival in training and testing-group. (G, H) ROC curves and KM curve of E-MTAB-1980 cohort.