The study results revealed significant differences among groups, including patients with T2DM (with and without CAD) and healthy individuals, regarding the following clinical and laboratory parameters: age, blood glucose concentration, glycated haemoglobin (HbA1c), systolic blood pressure (SBP), total cholesterol, triglycerides, HDL, LDL cholesterol, urea, serum creatinine, CRP, and Lp-PLA2. The gene discussed is PLA2G7; the disease is type 2 diabetes mellitus.