ALB and diabetes mellitus: Univariate logistic regression showed that TyG index, age, Killip class > 1, smoking history, hypertension, DM, anaemia, three-vessel disease, DBP, white blood cells, platelets, albumin, measured HbA1c, uric acid, eGFR, lesion vessels, number of stents and LVEF were risk factors for MACCEs in STEMI patients after PCI (all P < 0.05).