- SD Standard deviation, IQR Interquartile range, BMI Body mass index, OMI Old myocardial infarction, PCI Percutaneous coronary intervention, PAD Peripheral arterial disease, SCr Serum creatinine, CRF Chronic renal failure, AMI Acute myocardial infarction, NYHA New York Heart Association, LVEF Left ventricular ejection fraction, LMT Left main coronary trunk, EuroSCORE European system for cardiac operative risk evaluation