Elevated concentration of IL-6 (median [IQR]: 7.9 [0.0–23.2] pg/ml in stable CAD; 11.1 [1.7–31.4] pg/ml in acute CAD; p = 0.048) was the only feature that significantly discriminated those individuals presenting with ACS (Fig. 4). Here, IL6 is linked to coronary artery disorder.