Fig. 2

ROC and calibration curves for both the training and validation cohorts. A ROC curve representing disease occurrence on day 1 for the training cohort; B ROC curve for disease occurrence on day 28 in the training cohort; C ROC curve for disease occurrence on day 1 in the validation cohort; D ROC curve for disease occurrence on day 28 in the validation cohort. E Calibration curve for disease occurrence on day 1 in the training cohort; F Calibration curve for disease occurrence on day 28 in the training cohort; G Calibration curve for disease occurrence on day 1 in the validation cohort; H Calibration curve for disease occurrence on day 28 in the validation cohort. ROC, receiver operating characteristic; AUC, the area under the ROC curve. TP, true positive; FP, False Positive