Table 2 –
Operative time cohort demographics and outcomes.
| All (N=983) | <3h (N=448) | 3–3.9h (N=272) | 4–4.9h (N=175) | ≥5h (N=88) | P-value | |
|---|---|---|---|---|---|---|
| Demographics | ||||||
| Female, % | 30 | 31 | 30 | 31 | 26 | 0.8271 |
| Age, mean (std) | 48 (18) | 47 (18) | 47 (18) | 47 (17) | 49 (19) | 0.9063 |
| TBSA, median (IQR) | 14 (3–30) | 5 (3–10) | 13 (7–25) | 18 (10–28) | 19 (13–30) | <0.001* |
| Inhalation injury, % | 14 | 6 | 21 | 19 | 23 | <0.0001* |
| Smoking history, % | 45 | 41 | 50 | 42 | 53 | 0.0308* |
| Drug use, % | 15 | 15 | 17 | 14 | 13 | 0.6738 |
| Alcohol use, % | 43 | 41 | 48 | 45 | 36 | 0.1584 |
| Co-morbidity count, median | 2 (1–3) | 1.0 (0–1.0) | 0.0 (0.0–1.0) | 0.0 (0.0–1.0) | 0.0 (0.0–1.5) | 0.9039 |
| Post-operative outcomes | ||||||
| Death, % | 4 | 1 | 8 | 6 | 9 | <0.0001* |
| Pulmonary embolus, % | 1 | 1 | 2 | 0 | 3 | 0.0137* |
| Sepsis, % | 11 | 2 | 18 | 23 | 18 | <0.0001* |
| ARDS, % | 5 | 2 | 9 | 9 | 15 | <0.0001* |
| MODS, % | 5 | 1 | 7 | 10 | 9 | <0.0001* |
| Pneumonia, % | 18 | 6 | 28 | 34 | 33 | <0.0001* |
| Urinary tract infection, % | 16 | 8 | 22 | 25 | 22 | <0.0001* |
| Wound infection, % | 18 | 14 | 27 | 22 | 25 | 0.0001* |
*
Significance is <0.05.