Table 1. Features used in final model development.

Domain	Individual features
Demographics	Gender, age, height, body mass index, systolic blood pressure, diastolic blood pressure, smoking, alcohol, family history of premature coronary artery disease
Comorbid conditions	Heart failure, hypertension, duration of hypertension, diabetes, duration of diabetes, atrial fibrillation, stroke, pulmonary artery hypertension, structure heart disease, hyperuricemia, hyperlipidemia, peripheral vascular diseases, cerebrovascular, previous myocardial infarction, previous PCI
Electrophysiology	Heart rate, PR duration, QRS duration, QT duration, P-axis, QRS axis, middle of ST segment amplitudes, end of ST segment amplitudes, left bundle branch block, ventricular tachycardia
Coronary angiography	Number of lesions, location of lesion, origin of coronary artery, distribution of coronary artery
PCI procedure	Stent placement, number of DES, number of BMS, preoperative Syntax score, postoperative Syntax score, intervention time, operative complications
Medications	ACE inhibitor or angiotensin-receptor blocker, beta-blocker, calcium channel blocker, spironolactone, digoxin, diuretics, statins, aspirin, clopidogrel, low molecular weight heparin, IIb/IIIa receptor antagonist
Laboratory test results	Hemoglobin, erythrocyte sedimentation rate, platelet count, platelet distribution width, white blood cell count, total bilirubin, direct bilirubin, albumin, alanine aminotransferase, aspartate aminotransferase, total triglycerides, total cholesterol, low density lipoprotein cholesterol, high density lipoprotein cholesterol, B-type natriuretic peptide, high-sensitivity C-reactive protein, hemoglobin A1c, serum sodium concentration, uric acid, glomerular filtration rate, big endothelin-1, serum creatinine, creatine phosphokinase-isoenzyme-MB, creatine phosphokinase-isoenzyme-BB, cardiac troponin I, cardiac troponin T, urine microalbumin
Echocardiogram	Left ventricular ejection fraction, left ventricular end diastolic diameter, left atrial diameter, right ventricular diameter

PCI, percutaneous coronary intervention; DES, drug eluting stent; BMS, bare metal stent; ACE, angiotensin converting enzyme.