ABCA1 and coronary artery disorder: Statistical analysis using Fisher's exact test indicated that the presence of ABCA1 DNA methylation was significantly more common in CAD group than control group [18 out of 110 CAD patients (16.36%) vs 06 out of 110 controls (5.45%), OR=3.39; 95% CI=1.29-8.90; P=0.015].