Table 1.
Baseline characteristics of the patients with and without AKI after cardiac surgeries.
| Characteristics | All Patients | AKI | Non-AKI | p |
|---|---|---|---|---|
| Patient number | 186 | 92 | 94 | - |
| Age, year | 60.0 ± 14.6 | 60.7 ± 14.8 | 59.3 ± 14.5 | 0.504 |
| Male gender, n (%) | 116 (62.4) | 55 (59.8) | 61 (64.9) | 0.545 |
| Diabetes mellitus, n (%) | 61 (32.8) | 33 (35.9) | 28 (29.8) | 0.436 |
| CHF NYHA III/IV, n (%) | 37 (19.9) | 22 (23.9) | 15 (16.0) | 0.201 |
| Mean arterial pressure, mmHg | 90.3 ± 14.4 | 89.5 ± 15.4 | 91.0 ± 13.3 | 0.475 |
| LVEF, % | 60.9 ± 15.5 | 59.9 ± 15.9 | 61.8 ± 15.3 | 0.394 |
| Preoperative laboratory data | ||||
| Leukocyte count, 1000/mL | 7.8 ± 3.4 | 7.7 ± 3.6 | 7.9 ± 3.2 | 0.730 |
| Hemoglobin, g/dL | 12.6 ± 2.4 | 12.3 ± 2.7 | 12.9 ± 2.0 | 0.083 |
| Platelet count, 1000/mL | 201 ± 75 | 189 ± 81 | 212 ± 66 | 0.038 |
| ALT, u/L | 30.2 ± 34.8 | 31.2 ± 43.3 | 29.1 ± 24.0 | 0.691 |
| Serum creatinine, mg/dL | 1.1 ± 1.0 | 1.3 ± 1.3 | 0.9 ± 0.4 | 0.013 |
| Albumin, mg/dL | 3.9 ± 0.5 | 3.9 ± 0.6 | 4.0 ± 0.4 | 0.044 |
| EuroSCORE II | 6.7 (6.1) | 8.0 (7.2) | 5.5 (4.5) | 0.018 |
| Surgical detail, n (%) | 0.162 | |||
| CABG | 61 (32.8) | 24 (26.1) | 37 (39.4) | |
| Valve surgery | 64 (34.4) | 33 (35.9) | 31 (33.0) | |
| CABG + valve surgery | 17 (9.1) | 12 (13.0) | 5 (5.3) | |
| Aorta | 34 (18.3) | 19 (20.7) | 15 (16.0) | |
| Others | 10 (5.4) | 4 (4.3) | 6 (6.4) |
Continuous data are presented as means ± SDs or medians (interquartile range); AKI, acute kidney injury; CHF, congestive heart failure; NYHA, New York Heart Association; ALT, alanine aminotransferase; CABG, coronary artery bypass grafting.