CYP24A1 and coronary artery disorder: CYP24A1 rs2296241 had a strong linkage with lower susceptibility to CHD (codominant: OR = 0.63, 95% CI = 0.43–0.93, P = 0.019; recessive: OR = 0.66, 95% CI = 0.47–0.92, P = 0.013 and additive: OR = 0.82, 95% CI = 0.68–0.98, P = 0.033).