Table 2. Subject perioperative data [, n (%)].
| Subject perioperative data | Group A (n=22) | Group C (n=31) | t (χ2) | P |
|---|---|---|---|---|
| Fluids (mL) | 2,361±1,131 | 2,229±674 | 0.461 | 0.647 |
| Red cells (mL) | 3.80±1.25 | 3.33±1.42 | 0.634 | 0.531 |
| Plasma (mL) | 696±258 | 536±221 | 1.643 | 0.108 |
| Blood loss (mL) | 1,524±458 | 1,175±327 | 2.111 | 0.040 |
| Urine (mL) | 1,429±406 | 1,546±512 | −0.443 | 0.660 |
| Surgery time (hours) | 8.48±3.33 | 8.25±2.92 | 0.267 | 0.790 |
| CPB time (hours) | 3.49±0.76 | 3.63±0.85 | −0.588 | 0.559 |
| Circulatory arrest time (hours) | 2.11±0.56 | 2.16±0.58 | −0.314 | 0.755 |
| Lowest rectal temperature during CPB (°C) | 24.1±0.3 | 24.3±0.3 | −0.467 | 0.642 |
| CABG in surgery, n (%) | 1 (4.5) | 2 (6.5) | 0.088 | 0.767 |
| Postoperative cerebral complications, n (%) | 0 (0) | 1 (3.2) | 1.232 | 0.267 |
| Postoperative NT-proBNP (pg/mL) | 92.28±42.70 | 99.79±43.03 | −0.635 | 0.528 |
| Abnormal postoperative NT-proBNP, n (%) | 2 (9.1) | 2 (6.5) | 0.039 | 0.844 |
| Mechanic ventilation time in ICU (hours) | 27.24±8.37 | 17.33±7.36 | 4.528 | <0.001 |
| Stay in ICU (hours) | 42.27±10.85 | 33.45±9.05 | 3.218 | 0.002 |
| Hospital stay (days) | 17.77±5.00 | 13.48±3.97 | 3.475 | 0.001 |
| In-hospital mortality, n (%) | 2 (9.1) | 3 (9.7) | 0.005 | 0.943 |
CPB, cardiopulmonary bypass; CABG, coronary artery bypass graft; NT-proBNP, N terminal pro B type natriuretic peptide.