Propensity Covariates

  Demographics

Past Surgical History

  Demo: Age

History of PTCA

  Demo: Gender

History of coronary atherectomy

  Demo: BSA

History of intracoronary stent

  Demo: Ethnicity-AA or H or AI

History of CABG

  Demo: Education-any college

History of valve surgery

History of carotid endarterectomy

  Past Medical History

History of aortic vascular surgery

  History of hypertension

History of noncoronary angioplasty/stent

  History of diabetes

History of other vascular surgery

  History of angina

History of abdominal surgery

  History of myocardial Infarction

  History of CHF

Preoperative Factors

  History of cardiomyopathy

Preop: Creatinine

  History of heart block

Preop: EF (normal-mild vs moderate severe)

  History of ventricular fibrillation

(cardiac catheterization)

  History of valve disease

Preop: CHF

  History of stroke

Preop: valve abnormality

  History of carotid disease

(cardiac catheterization)

  History of renal disease

Preop: Medications-anti-thrombotics

  History of liver disease

Preop: Medications-aspirin

  History of hematologic disorder

Preop: Medications-dobutamine

  History of platelet abnormality

Preop: Medications-heparin

  History of pulmonary disease

Preop: Medications-lipid lowering agents

Admission: Warfarin/coumadin (past week)

                                                                            Surgical Factors

                                                            Surgery: Emergency or urgent

                                                            Surgery: CABG + valve procedure

                                                            Surgery: Other combined surgery

                                                            Surgery: ≥  3 grafts