APOA1 and metabolic syndrome: The levels of weight, percent of smoking and drinking, serum glucose, serum TC, triglyceride (TG) and LDL-C were higher, as well as the levels of serum high-density lipoprotein cholesterol (HDL-C) and the ratio of ApoA1 to ApoB were lower in dyslipidemia than in normal groups (P < 0.05–0.001).