ALB and myocardial ischemia: Finally, we screened six variables, age, uric acid, serum total bilirubin, albumin, alkaline phosphatase, and left ventricular ejection fraction, which had a significant impact on the risk of death in IHD patients, and then we constructed a nomogram prediction model, which is a two-dimensional graph, which uses approximate graph calculation of mathematical functions, is friendly in interface, more accurate, and has easily understood results and has been widely used in the medical field (16).