Fig. 7

Validation of the risk model in Train, Test and All group. A-C Kaplan Meier curves of overall survival in the Train group (A), Test group (B) and All group (C). D-F OS status distribution of the high- or low-risk group in the Train group (D), Test group (E) and All group (F). G-I Principal components analysis between low- and high-risk groups in the Train group (G), Test group (H) and All group (I). J-L The correlation scatter plot between the riskScore and overall time in the Train group (J), Test group (K) and All group (L). M-O The 1-, 3- and 5-years receiver operating characteristic (ROC) curve analysis in the Train group (M), Test group (N) and All group (O). P-I The 1-, 3- and 5-years calibration curve in the Train group (P), Test group (Q) and All group (I)