Table 3.
Comparison of characteristics among patients with/without AG data
| Variables | Patients with AG (N = 2860) | Patients without AG (N = 4034) | p value |
|---|---|---|---|
| Age (y) | 67.9 ± 12.1 | 67.8 ± 12.0 | 0.734 |
| Male, n (%) | 1934 (67.6) | 2694 (66.8) | 0.464 |
| White, n (%) | 2261 (79.1) | 3184 (78.9) | 0.899 |
| Body mass index, Kg/m2 | 28.8 ± 6.0 | 28.7 ± 5.7 | 0.483 |
| SOFA | 5 (3–7) | 5 (3–6) | 0.128 |
| SAPSII | 36.9 ± 12.5 | 36.4 ± 11.7 | 0.089 |
| SIRS | 3 (2–4) | 3 (2–4) | 0.532 |
| Operation types, n (%) | |||
| CABG | 1283 (44.9) | 1816 (43.8) | 0.302 |
| Valve replacement or valvoplasty | 621 (21.8) | 958 (23.1) | |
| Resection of vessls | 232 (8.1) | 369 (8.9) | |
| Others | 724 (25.2) | 1004 (24.2) | |
| Postoperative complications, n (%) | |||
| AKF | 392 (13.7) | 544 (13.5) | 0.792 |
| Acidosis | 150 (5.2) | 206 (5.1) | 0.798 |
| Arrhythmia | 1188 (41.5) | 1692 (41.9) | 0.737 |
| Acute respiratory failure | 156 (5.5) | 230 (5.7) | 0.660 |
| Pneumonia | 28 (1.0) | 48 (1.2) | 0.409 |
| Pulmonary embolism | 20 (0.7) | 36 (0.9) | 0.379 |
| Hospital mortality | 19 (0.7) | 35 (0.9) | 0.295 |
| ICU LOS, median (IQR), day | 2.1 (1.3–3.4) | 2.3 (1.3–3.6) | 0.122 |
| Hospital LOS, median (IQR), day | 7.6 (5.8–11.3) | 7.9 (5.9–11.5) | 0.145 |
SOFA sequential organ failure assessment, SAPSII simplified acute physiology score II, SIRS systemic inflammatory response syndrome, CABG coronary artery bypass graft, AKF acute kidney failure, ICU intensive care unit, LOS length of stay, IQR interquartile ranges