Whenthe VAI, VATI, and TyG index were added into the original model which includedage, sex, BMI, CRP, diabetes, emergency surgery, NYHA III–IV, and left atrialdiameter, the DeLong test indicated that the AUC significantly improved(p< 0.05) for all three indexes (ΔAUC = 0.007, 0.084, and0.103, respectively). The gene discussed is CRP; the disease is diabetes mellitus.