APOB and acute coronary syndrome: The estimated glomerular filtration rate (eGFR) was lower, the stent age was longer, and the LDL-C, triglyceride (TG), total cholesterol (TC), apolipoprotein B (APOB), APOB/A1 ratio, and the proportion of patients with acute coronary syndrome (ACS) at follow-up were higher in the NA group (p < 0.05).