Baseline characteristics of patients stratified by gender (n = 7930).

Figures in parentheses are percentages and continuous variables are shown as mean±SD.Abbreviations: SD, standard deviation; BMI, body mass index; CAD, coronary artery disease; MI, myocardial infarction; PCI, percutaneous coronary intervention; CABG, coronary artery bypass graft; CHF, congestive heart failure; STEMI, ST elevation myocardial infarction; NSTEMI, non-ST-elevation myocardial infarction; UA, unstable angina.*Killip class (scale I–IV) a system used to stratify the severity of left ventricular dysfunction and determines clinical status of patients post myocardial infarction (MI).Killip classification:Class 1: No rales, no 3rd heart sound.Class 2: Rales in Class 3: Rales in >1/2 lung field–pulmonary edema.Class 4: Cardiogenic shock–determined clinically.