Fig. 3From: Risk estimation for postoperative nausea and vomiting: development and validation of a nomogram based on point-of-care gastric ultrasoundThe ROC curve for using the nomogram to predict PONV in the training cohort (n = 177) and validation cohort (n = 59). PONV, postoperative nausea and vomiting; ROC, receiver operating characteristicBack to article page