PPARD and coronary artery disorder: The GG genotype (wild-type) of PPARD rs3777744 decreased the risk of CAD by 27.6% (AOR, 95% CI: 0.724, 0.532–0.985; P*=0.04), and in a dominant model, the GG+GA genotype decreased the risk of CAD by 28.6% (AOR, 95% CI: 0.714, 0.534–0.954; P=0.023).