IL6 and acute coronary syndrome: ACS: acute coronary syndrome; CI: confidence interval; FCT: fibrous cap thickness; GMR: geometric mean ratio; HR: hazard ratio; hs-CRP: high-sensitivity C-reactive protein; IL-6: interleukin-6; IQR: interquartile range; IS: infarct size; LV: left ventricular; MACE: major adverse cardiovascular events; MPO: myeloperoxidase; OR: odds ratio