This 2016 case-control study evaluated the diagnostic performance of apolipoprotein A-1 (Apo A-1) compared to high-density lipoprotein (HDL) in detecting coronary artery disease (CAD). The study involved 100 angiographically confirmed CAD patients and 100 age- and sex-matched healthy controls. Results showed significantly lower mean Apo A-1 levels in CAD patients
