Table 1. Patients’ Preoperative Characteristics.
| Variable | Control Group (n = 40) | Selenium Group (n = 41) | P Value |
|---|---|---|---|
| Age, y | 58.2 ± 8.29 | 54.65 ± 8.46 | T = 1.9, P = 0.061 |
| Gender, No. (%) | P = 0.738 | ||
| Male | 21 (52.5) | 20 (48.8) | |
| Female | 19 (47.5) | 21 (51.2) | |
| BMI, kg/m 2 | 27.32 ± 2.37 | 27.16 ± 3.03 | T = 0.25, P = 0.8 |
| Ejection fraction, % | 47.87 ± 3.9 | 47.31 ± 7.42 | t = 0.42, P = 0.67 |
| Surgery duration, hour | 2.78 ± 0.28 | 2.88 ± 0.36 | t = 1.43, P = 0.15 |
| Pump time, minute | 60.45 ± 18.08 | 57.87 ± 12.41 | t = 0.74, P = 0.45 |
| Clamp time, minute | 36.72 ± 10.16 | 35.17 ± 8.59 | t = 0.743, P = 0.46 |
| Creatinine clearance | 60.5 ± 3.57 | 61.41 ± 3.65 | t = 1.13, P = 0.258 |
| Serum creatinine | 110.27 ± 3.49 | 100.95 ± 3.26 | t = 0.9, P = 0.37 |