Figure 6

Comparison of the new prognostic model and the R-ISS. (A) The Kaplan–Meier OS curves with SE based on the new prediction model and (B) the R-ISS. (C) The time-dependent ROC curves and AUC analyses for OS. AUC area under the curve, OS overall survival, R-ISS Revised International Staging System, ROC receiver operating characteristic, SE standard error.