Risk prediction of biliary infection after endoscopic drainage for malignant perihilar biliary obstruction: A 10-year multicenter retrospective study

Figure 3 Receiver operating characteristic curves for the prediction models. A: Receiver operating characteristic (ROC) curve for the logistic regression (LR) modeling group; B: ROC curve for the LR validation group; C: ROC curve for the artificial neural network (ANN) modeling group; D: ROC curve for the ANN validation group. AUC: Area under the curve.