Fig. 2From: Postoperative delirium prediction using machine learning models and preoperative electronic health record dataModel AUC-ROC curves and calibration plots. A Receiver Operating Characteristic curves for five POD prediction models. B Calibration plots for five POD prediction models. XGBoost (orange), Neural network (blue), Clinician-guided regression (green), ML hybrid regression (red), AWOL-S (purple)Back to article page