Table 1 Baseline characteristics and perioperative variables
Characteristics | AKI (n = 27) | Non-AKI (n = 28) | P Value |
|---|---|---|---|
Age, years | 64 (51, 67) | 55 (45, 61) | 0.009 |
Weight, kg | 60.0 (56.0,69.0) | 59.5 (52.8, 69.6) | 0.555 |
Height, cm | 165.0 (160.0, 170.0) | 165.7 (160.5, 170.0) | 0.742 |
Gender (male), n(%) | 19 (70.4) | 17 (60.7) | 0.452 |
Diabetes, n(%) | 1 (3.7) | 1 (3.6) | 1.000 |
Hypertension, n(%) | 9 (33.3) | 8 (28.6) | 0.702 |
Smoking, n(%) | 4 (14.8) | 4 (14.3) | 1.000 |
Admission heart rate, beat/min | 79 (75, 85) | 80 (75, 86) | 0.378 |
Admission respiratory rate, breaths/min | 20 (19, 20) | 20 (20, 20) | 0.057 |
Admission MAP, mmHg | 99 (17) | 103 (11) | 0.402 |
Hospital stays, days | 26 (18,30) | 17 (14, 26) | 0.033 |
ICU hospital stays, days | 3 (2, 9) | 3 (2, 4) | 0.260 |
APACHE II score | 7 (6, 9) | 6 (4, 8) | 0.035 |
NYHA heart function ≥ III, n(%) | 8 (70.4) | 17 (60.7) | 0.452 |
CRRT, n(%) | 5 (18.5) | 0 (0) | 0.055 |
Preoperative indicators | Â | Â | Â |
Hemoglobin, g/L | 120.15 (21.67) | 132.64 (21.5) | 0.036 |
WBC, 109/L | 7.17 (6.07, 8.55) | 6.76 (5.26, 8.18) | 0.213 |
PLT, 109/L | 216.41 (59.65) | 243.89 (53.20) | 0.077 |
Bilirubin, µmol/L | 14.86 (9.70, 17.5) | 12.65 (8.93, 19.08) | 0.794 |
BUN, mmol/L | 6.63 (5.78, 9.23) | 6.43 (5.71, 8.22) | 0.522 |
Creatinine, µmol/L | 90.1 (69.1,125.0) | 75.8 (60.9, 94.7) | 0.042 |
eGFR, ml/min/1.73m2 | 92.7 (61.7, 114.6) | 113.7 (78.6, 136.6) | 0.0 |
Intraoperative indicators | Â | Â | Â |
Cardiopulmonary bypass time, min | 198 (151, 274) | 143 (117, 209) | 0.011 |
Operation time, min | 400 (275, 515) | 292 (223, 395) | 0.019 |
Blood loss, ml | 300 (200, 400) | 200 (200, 300) | 0.672 |