Table 1.
Baseline characteristics of patients with TBI
| Characteristics | All patients with traumatic brain injuries (n = 2830) |
|---|---|
| Demographics | |
| Age, year, median (IQR) | 44 (35–47) |
| Male, n (%) | 1805 (64%) |
| Pts with isolated TBI | 1070 (33%) |
| Severity of injury on admission | |
| APACHE II score, median (IQR) | 24 (21–43) |
| Pts with head-AIS > 3, n (%) | 2237 (80%) |
| Pts with chest injury, n (%) | 426 (13%) |
| GCS score on admission, median (IQR) | 5 (4–6) |
| Pts with GCS score 3–5 on admission, n (%) | 645 (46%) |
| Marshall CT score > 3, n (%) | 630 (49%) |
| Median ICP*, mmHg (IQR) | 17 (15–20) |
| ARDS | |
| All ARDS, n (%) | 657 (21%) |
| Mild ARDS, n (%) | 105 (13%) |
| Moderate/Severe ARDS, n (%) | 281 (14%) |
| P/F ratio, median (IQR) | 276 (204–291) |
| Hospital complications | |
| Pneumonia, n (%) | 304 (18%) |
| Sepsis, n (%) | 207 (23%) |
| SIRS, n (%) | 131 (32%) |
| Outcomes | |
| Length of hospital stay, days, median, IQR | 14 (13–25) |
| Good neurological outcome at any time after TBI, n (%) | 443 (28%) |
| Survivors at discharge, n (%) | 1627 (57%) |
ARDS acute respiratory distress syndrome; APACHE acute physiology and chronic health evaluation; CT computed tomography; GCS Glasgow coma scale; ICP intracranial pressure; IQR interquartile range; ISS injury severity score; SIRS systemic inflammatory response syndrome; P/F PaO2/FiO2
*Reported as median ICP throughout hospital stay