TABLE 1. Preoperative Patient Demographics.

Variable
Age (years)	56.4 ± 13.0
Body mass index (kg/m2)	27.0 ± 5.0
Diabetes mellitus (%)	51.3%
Pulmonary hypertension (%)	41.7%
Chronic obstructive pulmonary disease (%)	18.3%
Prior smoker (%)	50.4%
Hypertension (%)	67.0%
Hypercholesterolemia (%)	75.7%
Carotid stenosis (%)	3.5%
Prior stroke (%)	14.8%
Chronic renal insufficiency (%)	41.7%
Prior cardiac surgery	33.9%
Intraaortic balloon pump	14.0%
Intubated	9.6%
Preoperative inotropic support (epinephrine)	4.7%
Preoperative inotropic support (milrinone)	73.8%