Age

Mean 68.3 years (median = 71 years)

Gender

Male 56.7% Female 43.3%

Chronic pulmonary disease

Yes 17.9% No 82.1%

Extra-cardiac arteriopathy

Yes 8.4% No 91.6%

Neurological dysfunction

Yes 10.0% No 90.0%

Previous cardiac surgery

Yes 8.3% No 91.7%

Creatinine > 200 µg

Yes 2.5% No 97.5%

LV function

Good 83% Moderate 13% Poor 4%

Recent MI

Yes 2.9% No 97.1%

Emergency surgery

Yes 1.5% No 98.5%