Table 1 Baseline characteristics between patients with and without CSA-AKI
From: Preoperative serum selenium predicts acute kidney injury after adult cardiac surgery
Total (n = 453) | Non-AKI (n = 294) | AKI (n = 159) | P value | |
|---|---|---|---|---|
Age (years) | 62.97 (15.58) | 62 (15.84) | 64.75 (14.96) | < 0.001 |
Female sex, n (%) | 182 (40.18) | 104 (35.37) | 78 (49.06) | 0.005 |
BMI (kg/m2) | 26.85 (4.61) | 26.31 (4.55) | 27.85 (4.58) | < 0.001 |
Smoking, n (%) | 92 (20.31) | 63 (21.43) | 29 (18.24) | 0.421 |
Hypertension, n (%) | 172 (37.97) | 113 (38.44) | 59 (37.11) | 0.781 |
Diabetes, n (%) | 122 (26.93) | 77 (26.19) | 45 (28.3) | 0.629 |
Chronic heart failure, n (%) | 149 (32.89) | 53 (18.03) | 96 (60.38) | < 0.001 |
Atrial fibrillation, n (%) | 59 (13.02) | 14 (13.46) | 45 (57.69) | < 0.001 |
COPD, n (%) | 9 (1.99) | 5 (1.70) | 4 (2.52) | 0.553 |
Surgery type, n (%) | 0.750 | |||
CABG | 175 (38.63) | 112 (38.1) | 63 (39.62) | |
Valve surgery | 278 (61.37) | 182 (61.9) | 96 (60.38) | |
Anesthesia time (min) | 228.45 (40.52) | 227.82 (39.23) | 229.61 (42.9) | < 0.001 |
CPB time (min) | 120.96 (27.33) | 115.54 (24.47) | 131 (29.49) | < 0.001 |
Serum creatinine (µmol/L) | 86.79 (9.53) | 85.79 (8.02) | 88.63 (11.63) | < 0.001 |
Hemoglobin (g/dL) | 127.7 (8.05) | 129.16 (8.45) | 125 (6.43) | < 0.001 |
Albumin (g/dL) | 4.02 (0.95) | 4.17 (0.82) | 3.73 (1.08) | < 0.001 |
Preoperative Se (µg/L) | 158.92 (6.72) | 159.89 (5.7) | 157.13 (8) | < 0.001 |