Fig. 7From: Predicting biochemical-recurrence-free survival using a three-metabolic-gene risk score model in prostate cancer patientsKaplan–Meier curves of validation datasets DFKZ 2018 (A) and GSE70770 (D). The areas under the three- and five-year ROC curves of DFKZ 2018 (B, C) and GSE70770 (E, F) presented the same trend as the training set. K–M plot: Kaplan–Meier plot; AUC: area under curveBack to article page