Table I.
Preoperative demographic and clinical variables
| Variables1 | Group AKI (n = 21) | Group C (n = 41) | P-value |
|---|---|---|---|
| Age [years] | 67.4 ±7.2 | 62.2 ±7.0 | 0.008* |
| Gender (M/F) | 15/6 | 33/7 | 0.428 |
| Height [m] | 1.65 ±0.10 | 1.71 ±0.09 | 0.017* |
| Weight [kg] | 74.5 ±11.8 | 84.2 ±17.7 | 0.030* |
| BMI [kg/m2] | 27.6 ±4.2 | 28.7 ±4.3 | 0.321 |
| BMI > 30 kg/m2 | 6 (28.6) | 13 (31.7) | 0.804 |
| DM2 | 5 (23.8) | 11 (26.9) | 0.754 |
| Arterial hypertension | 16 (76.2) | 30 (73.2) | 0.645 |
| PVD | 6 (28.6) | 12 (29.3) | 0.875 |
| PCI in history | 13 (61.9) | 24 (58.5) | 0.665 |
| Urgent CABG3 | 4 (19.0) | 5 (12.2) | 0.310 |
1
Continuous variables are expressed as mean ± standard deviation, categorical variables as numbers (%)
2
treated with either insulin and/or oral medications
3
defined if surgery had to be performed during the same in-hospital stay.
*
P-value of statistical significance, group AKI vs. group C.
BMI – body mass index, CABG – coronary artery bypass grafting, DM – diabetes mellitus, PCI – percutaneous coronary intervention, PVD – peripheral vascular disease.