Figure 11. Predictive performances of 20 prognostic signatures. (A) AUC (area under the curve of receiver operating characteristic) change curve. Six-gene prognostic signature had the highest AUC values associated with 1-year and 3-year survivals and the next highest AUC value associated with 5-year survival. (B) Concordance index (C-index). Six-gene prognostic signature had the highest C-index 0.673 among 20 prognostic signatures. (C) Restricted mean survival (RMS) curve. Six-gene prognostic signature we developed had the highest hazard rate among 20 prognostic signatures.