Carotid atherosclerosis progression was associated with LMR < 4.18 and an elevated Lp(a) level (OR = 4.3, 1.1–17.2, p = 0.04) and not associated with the patients with Lp(a) levels < 30 mg/dL and an LMR above the median. This evidence concerns the gene LPA and carotid atherosclerosis.