Demographics and clinical characteristics of the study groups
| Variable | Injureda | Noninjureda | P Value |
|---|---|---|---|
| Age (yr) (average) | 7.6 ± 2.8 | 7.66 ± 2.79 | NS |
| Sex F/M | 8:6 | 33:23 | NS |
| LOC | 4 (28.6%) | 16 (28.6%) | NS |
| Neurologic deficit | 1 (7.1%) | 10 (17.9%) | NS |
| Cervical tenderness | 11 (78.6%) | 4 (8.7%) | <.001 |
| Torticollis | 8 (61.5%) | 0 | <.001 |
Note:—LOC indicates loss of consciousness; NS, not significant.
↵a Values for categoric variables are given in numbers (percentages).