Table 1. Patients and surgical characteristics.
| Age -years, mean (SD) | 62.3 (11.2) |
| Men | 67.5 % |
| Body mass index (kg/m2) | 27.99 (4.82) |
| Hypertension | 81.58 % |
| Diabetes | 30.70 % |
| PCOD | 7.89 % |
| Peripheric vascular disease | 8.77 % |
| Previous myocardial infarction | 20.07 % |
| Other comorbidity | 6.14 % |
| Type of surgery | |
| Coronary artery by-pass valve | 67.55 % |
| Coronary artery by-pass and valve Aortic | 13.16 % |
| Aortic and valve | 9.65 % |
| Aortic and CAB | 4.39 % |
| Atrial myxoma | 1.75 % |
| Pre-op serum creatinine (mg/dL) mean (SD) | 0.91 (0.22) |
| Perfusion time (min) mean (SD) | 88.29 (36.06) |
| Cross-clamp time (min) mean (SD) | 68.22 (23.67) |
| Surgery Duration (min) mean (SD) | 314.31 (76.52) |
SD: standard deviation CAB: coronary artery bypass
PCOD: Pulmonary chronic obstructive disease