AUC: Area Under the Curve; SE: Standard Error; CI: Confidence Interval; Lp(a): Lipoprotein(a); Apo A-I: Apolipoprotein A-I; Apo B: Apolipoprotein B; CLTI: Comprehensive Lipid Tetrad Index; MetS: Metabolic Syndrome. Here, APOA1 is linked to metabolic syndrome.