Table 2.
Perioperative laboratory data and variables.
| Preoperative | Postoperative | P value | |
|---|---|---|---|
| White blood cell count, /mm3 | 7,500 ± 2,300 | 11,500 ± 4,000 | <0.001 |
| N ratio, % | 65.4 ± 8.6 | 86.3 ± 5.5 | <0.001 |
| L ratio, % | 22.9 ± 8.5 | 7.8 ± 3.2 | <0.001 |
| Neutrophil count, /mm3 | 5,000 ± 2,000 | 10,000 ± 3,700 | <0.001 |
| Lymphocyte count, /mm3 | 1,600 ± 600 | 800 ± 300 | <0.001 |
| Platelet, /mm3 | 229.8 ± 70.7 | 152.4 ± 38.7 | <0.001 |
| Hemoglobin, g/dL | 13.0 ± 2.0 | 10.2 ± 1.5 | <0.001 |
| BUN, mg/dL | 21.4 ± 14.5 | 18.2 ± 10.2 | 0.101 |
| Creatinine, mg/dL | 2.0 ± 2.9 | 1.6 ± 1.9 | 0.202 |
| AST, U/L | 29.9 ± 22.2 | 40.7 ± 16.8 | 0.002 |
| ALT, U/L | 29.0 ± 23.0 | 21.0 ± 8.7 | 0.027 |
| Glucose, mg/dL | 135.7 ± 37.1 | 210.2 ± 44.1 | <0.001 |
| Lactate, mmol/L | 1.0 ± 0.4 | 3.2 ± 1.9 | <0.001 |
| Base excess, mmol/L | 2.2 ± 1.9 | 0.1 ± 4.1 | 0.012 |
| HCO3 −, mmol/L | 25.7 ± 2.2 | 25.2 ± 3.5 | 0.466 |
| Troponin-I, ng/mL | 3.7 ± 2.8 | ||
| B-type natriuretic peptide, pg/mL | 213.1 ± 242.2 | ||
| Cardiac index, L/min/m2 | 3.3 ± 1.1 | ||
| PaO2/FiO2 ratio, mmHg | 342.9 ± 81.2 | 207.3 ± 121.3 | <0.001 |
| PaO2/FiO2 ratio before extubation | 325.7 ± 129.8 | 0.456* | |
| Extubation time, hours | 38.0 ± 28.6 | ||
| ICU stay, days | 3.5 ± 1.4 | ||
| Hospital stay, days | 11.7 ± 3.9 (7–23) |
*Compared with the preoperative data.