Baseline Clinical Characteristics.

<p>*MI = Myocardial Infarction, †PCI = percutaneous coronary intervention,</p><p>‡CABG = Coroanry Artery Bypass Graft,</p><p>§PVD = Peripheral Vascular Disease, || NYHA = New York Heart Association (mean±standard deviation),</p><p>a EuroSCORE = European System for Cardiac Operative Risk Evaluation,</p><p>°STS = Society of Thoracic Surgeons.