Other factors that affected one-year mortality were age ≥65 years, prior coronary artery diseases, Killip class 3–4, pre-discharge prescription of angiotensin-converting enzyme inhibitors, occlusion in the left anterior descending artery, multivessel disease, in-hospital atrial fibrillation/flutter and in-hospital pericardial effusion. The gene discussed is ACE; the disease is pericardial effusion.