Table 1.
Clinical information.
| Overall [n (%)] | |
|---|---|
| Hospitalized with diagnosis of TBI | 458,844 (100) |
| TBI main diagnosis | 418,603 (91.2) |
| Male | 254,032 (55.4) |
| Female | 204,812 (44.6) |
| Age [mean ± SDmedian (10th and 90th percentiles)] | 7.1 ± 5.7 6 (0-16) |
| Length of stay [mean ± SDmedian (10th and 90th percentiles)] | 2 ± 3.9 2 (1–2) |
| Mechanical ventilation | 3,184 (0.7) |
| Mechanical ventilation (hours)[mean ± SDmedian (10th and 90th percentiles)] |
120.4 ± 247.2 22 (2–352) |
| Died | 447 (0.1) |
| Resuscitation | 266 (0.1) |
| Loss of consciousness | 64,692 (14.1) |
| Imaging (CT or MRI) | 47,731 (10.4) |
| CT only | 28,361 (6.2) |
| MRI only | 14,864 (3.2) |
| CT and MRI | 4,506 (1.0) |
| Intracranial injury | 12,289 (2.7) |
| Subdural hemorrhage | 4,314 (0.9) |
| Epidural hemorrhage | 2,436 (0.5) |
| Subarachnoidal hemorrhage | 2,154 (0.5) |
| Brain edema | 1,250 (0.3) |
| Other intracranial injury | 6,533 (1.4) |
| Neurosurgery | 3,047 (0.7) |
| EVD | 1,060 (0.2) |
| Evacuation of hematoma | 1,312 (0.3) |
| DC | 627 (0.1) |
| Combinations of neurosurgery | |
| EVD + evacuation of hematoma | 139 (0.0) |
| EVD + DC | 362 (0.1) |
| DC + evacuation of hematoma | 146 (0.0) |
| Visceral surgery | 1,062 (0.2) |
| Seizures* | 3,563 (0.8) |
| Epileptic state | 223 (0.0) |
| Complication(s) | 1,468 (0.5) |
| Early transfer to other hospital | 2,408 (0.3) |
TBI, traumatic brain injury; SD, standard deviation; CT, computed tomography; MRI, magnetic resonance imaging; EVD, external cerebrospinal fluid drainage and/or invasive ICP monitoring; DC, decompressive craniectomy;
*
including any epilepsia.