Table 2.

Variables in JAMIR

Clinical demographics	Age, sex, height, weight, ambulance use, presence of out-of-hospital cardiac arrest, date of admission, STEMI or NSTEMI, Killip class, systolic and diastolic blood pressure on admission, heart rate on admission, presence of hypertension, presence of diabetes, presence of dyslipidemia, smoking, previous myocardial infarction, history of CABG, history of PCI, history of atrial fibrillation, history of cerebrovascular disease, history of malignancy, history of peripheral artery disease
Invasive procedures	Use of emergency CAG, approach site, culprit lesion site, number of diseased vessels, use of reperfusion therapy (PCI or thrombolytic therapy), use of stenting, stent type (drug-eluting stent or bare metal stent), date of reperfusion, door-to-device time, TIMI classification on final angiography, concurrent PCI in non-culprit lesion, use of IABP, use of V-A ECMO, use of CABG
Test results during hospitalization	Peak serum CK, peak serum CK-MB, peak troponin T, serum creatinine, hemoglobin on admission, blood glucose on admission, total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides, LVEF on echocardiography
Medications during hospitalization	Antiplatelet agents (loading and maintenance doses), ACE inhibitors, ARBs, β-blockers, statins, anticoagulants (warfarin or DOAC), proton pump inhibitor
Complications during hospitalization	Cardiogenic shock, cardiac rupture, ventricular septal perforation, acute mitral regurgitation (papillary muscle rupture), right ventricular involvement
Medications after discharge	Antiplatelet agents, statins, anticoagulants
Test results during follow-up	Total cholesterol, LDL cholesterol, HDL cholesterol, triglycerides
Outcomes	Cardiovascular death, non-cardiovascular death, non-fatal myocardial infarction, non-fatal cerebral infarction, major and minor bleeding based on TIMI criteria, type 2, 3, or type 5 bleeding based on BARC criteria, stent thrombosis, readmission due to heart failure

JAMIR Japan Acute Myocardial Infarction Registry, STEMI ST elevation myocardial infarction, NSTEMI non–ST elevation myocardial infarction, CABG coronary artery bypass grafting, PCI percutaneous coronary intervention, CAG coronary angiography, IABP intra-aortic balloon pumping, V-A ECMO venoarterial extracorporeal membrane oxygenation, CK creatine kinase, LDL cholesterol low-density lipoprotein cholesterol, HDL cholesterol high-density lipoprotein cholesterol, LVEF left ventricular ejection fraction, ACE angiotensin-converting enzyme, ARB angiotensin receptor blocker, DOAC direct oral anticoagulant, TIMI Thrombolysis in Myocardial Infarction, BARC Bleeding Academic Research Consortium