Fig. 4

Prognostic analysis of the training cohort and the testing cohort. A Risk score distribution of patients in the prognostic model in training cohort. B Risk score distribution of patients in the prognostic model in testing cohort. C Survival status scatter plots for patients in the training cohort. D Survival status scatter plots for patients in the testing cohort. E Kaplan–Meier curve analysis in the training cohort. F Time-dependent ROC curve analysis in the training cohort. G Kaplan–Meier curve analysis in the testing cohort. H Time-dependent ROC curve analysis in the testing cohort