Table 1.
Demographics and site of primary care in the patient cohort. Abbreviations: ASDH acute subdural hematoma, EDH epidural hematoma, DAI diffuse axonal injury, UUH Uppsala University Hospital
| Parameter | Value | Radiology findings | n = | GCS on admission | n = | Pupillary reaction | n = | Trauma mechanism | n = |
|---|---|---|---|---|---|---|---|---|---|
| Number of patients (n) | 635 | ASDH | 211 | 3 | 41 | Both reacting | 510 | Cyclist hit by vehicle | 22 |
| Mean age (years) | 53 | EDH | 37 | 4 | 30 | One reacting | 65 | Fall accident | 327 |
| Median age (years) | 57 | Contusion | 160 | 5 | 28 | None reacting | 60 | Vehicle accident | 165 |
| Min age (years) | 18 | Subarachnoid hemorrhage | 44 | 6 | 85 | Pedestrian hit by vehicle | 24 | ||
| Max age (years) | 93 | DAI | 40 | 7 | 55 | Assault | 19 | ||
| Male (n) | 490 | Impression fracture | 8 | 7.5 | 60 | Sports accident | 16 | ||
| Male (%) | 77 | Mixed | 116 | 8 | 33 | Other | 62 | ||
| Female (n) | 145 | Other | 13 | 9 | 15 | ||||
| Female (%) | 23 | Normal | 3 | 9.5 | 152 | ||||
| Admitted to UUH (n) | 127 | NA | 3 | 10 | 9 | ||||
| Admitted to UUH (%) | 20 | 11 | 12 | ||||||
| Transferred from local hospital (n) | 508 | 11.5 | 100 | ||||||
| Local hospital (%) | 80 | 12 | 15 |