Figure 3B presents the ROC curves that predict the risk for postoperative 1-year mortality with respect to the preoperative cBMI, mBMI, and albumin after adjusting for the covariates (type of operation, gender, age, history of diabetes mellitus, hypertension, and ischaemic heart disease, ASA classification, history of general anesthesia, type of anesthesia, postoperative ICU admission). Here, ALB is linked to Hypertension.