The AUCs of the ROC curves of IL‐4, IL‐17, and HDL‐C in predicting CAD individually were 0.677 (95% CI: 0.620–0.732, p < .001), 0.640 (95% CI: 0.582–0.698, p < .001), and 0.725 (95% CI: 0.672–0.779, p < .001), respectively. Here, IL17A is linked to coronary artery disorder.