ENPP1 and coronary artery disorder: In the allele and dominant model, we found a significant correlation of the ENPP1 K121Q with CHD risk in Caucasian (allele model: RR = 1.25, 95%CI = 1.06–1.47, P = .01; dominant model: RR = 1.17, 95%CI = 1.05–1.29, P = .001; respectively), while no such association was detected among Asian (P > .05) (Figs. 3 and 4Figs. 3A and 4A).