Fig. 1

Receiver operating characteristic (ROC) curves for the training dataset (AUC = 0.70, 95%CI = 0.56–0.85) (left), and test dataset (AUC = 0.72, 95%CI = 0.55–0.89) (right)

Receiver operating characteristic (ROC) curves for the training dataset (AUC = 0.70, 95%CI = 0.56–0.85) (left), and test dataset (AUC = 0.72, 95%CI = 0.55–0.89) (right)