Table 4.
Number (%) of Patients Presenting with Each Risk Factor in the Utah Score at Each Hospital
| Total (n = 645) | Primary Children's Hospital (n = 234) | Monroe Carrell Children's Hospital (n = 312) | St. Louis Children's Hospital (n = 53) | Texas Children's Hospital (n = 46) | Differences among validation cohort (p value)* | |
|---|---|---|---|---|---|---|
| Arterial injury (BCVI) | 58 (9.0) | 36 (15.4) | 10 (3.2) | 6 (11.3) | 6 (13.0) | 0.003 |
| Glasgow Coma Scale score ≤8 | 190 (29.4) | 107 (45.7) | 57 (18.3) | 17 (32.1) | 9 (19.6) | 0.07 |
| Focal neurological exam | 99 (15.3) | 24 (10.3) | 53 (17.0) | 7 (13.2) | 15 (32.6) | 0.002 |
| Fracture through carotid canal | 89 (13.8) | 60 (25.6) | 23 (7.4) | 6 (11.3) | 0 (0) | 0.08 |
| Petrous temporal bone fracture | 53 (8.2) | 18 (7.7) | 22 (7.1) | 9 (17.0) | 4 (8.7) | 0.06 |
| Cerebral infarction on CT | 44 (6.8) | 14 (6.0) | 23 (7.4) | 3 (5.7) | 4 (8.7) | 0.84 |
BCVI, blunt cerebrovascular injury; CT, computed tomography.
*
Excludes Primary Children's Hospital.