Fig. 4

Verification of the risk model and construction of the nomogram. A, B Univariate and multivariate Cox regression analysis of the prognostic value of risk scores and clinical features. C Determination of the area under the ROC curve (AUC) of the risk score and clinical characteristics based on the ROC curve. D, E, G, H Overall survival and ROC analysis in subgroups (D, E: Group A; G, H: Group B). F A nomogram model was established using risk score