Gene subgroup analysis showed a close association of IL1RL1 (OR = 1.25, 95% CI: 1.20–1.30; I2 = 85.9%; p = 0.000) and IL1RAcP (OR = 1.42, 95% CI: 1.26–1.60; I2 = 27.1%; p = 0.203) with increased CAD risk. This evidence concerns the gene IL1RL1 and coronary artery disorder.