APOA1 and metabolic syndrome: The haplotype of rs2483058C-rs2580520G was associated with an increased risk of dyslipidemia (OR: 1.44, 95% CI: 1.17–1.78, P < 0.001), it showed consistent association with serum TC, HDL-C, ApoA1 and the ratio of ApoA1 to ApoB.