TABLE 1.
Included in Study (N = 235) | Lost to Follow-up (N = 45) | P Value | |
---|---|---|---|
Mean age (y) | 14.3 | 13.6 | .05 |
Male gender | 57.4 | 62.2 | .55 |
Non-white race | 21.3 | 42.2 | .003 |
Hispanic ethnicity | 8.5 | 22.2 | .005 |
LOC | 22.1 | 22.2 | .97 |
Amnesia | 43.0 | 33.3 | .22 |
Previous concussion | 28.9 | 24.4 | .54 |
PMH migraine | 12.3 | 20.0 | .17 |
PMH LD | 12.8 | 11.1 | .75 |
PMH ADHD | 14.9 | 28.9 | .02 |
PMH depression | 6.4 | 11.1 | .34 |
PMH anxiety | 8.9 | 11.1 | .58 |
Mean total RPSQ score | 18.83 | 18.13 | .75 |
Mechanism of injury | |||
Collision | 34.0 | 22.2 | .12 |
Fall | 41.3 | 37.8 | .60 |
Struck by object | 18.7 | 33.3 | .03 |
Motor vehicle collision | 2.6 | 4.4 | .49 |
Bicycle/scooter accident | 4.3 | 4.4 | .95 |
Playing sport | 63.8 | 51.1 | .11 |
Imaging performed | |||
CT | 23.4 | 13.2 | .25 |
MRI | 0.5 | 0 | .84 |
GCS | .59 | ||
GCS 15 | 95.2 | 100 | |
GCS 14 | 3.4 | 0 | |
GCS 13 | 1.4 | 0 | |
Admitted | 4.8 | 2.6 | .55 |
All data are presented as percentages unless otherwise noted. ADHD, attention-deficit/hyperactivity disorder; CT, computed tomography; GCS, Glasgow Coma Scale; LD, learning disability; LOC, loss of consciousness; PMH, previous medical history.