Demographics of Participants Who Had Sustained Concussions, Had ULI Only, or Were Well Visitors to the ED

CONC (n = 90)ULI (n = 90)Well (n = 84)Pa
 Mean (SD)10.85(3.20)11.00(3.20)10.54(3.24).62
 Median (IQR)11.50(7.66–13.48)11.04(8.21–13.89)10.04(7.42–13.32).60
Boy, n (%)63(70.0)45(50.0)30(35.7)<.001
Any previous concussions, n (%)
Hospitalized, CT, or MRI, n (%)
Acute concussion characteristics
Loss of consciousness, n (%)
Vomiting, n (%)
PTA, n (%)
Seizure, n (%)
Past medical history
Headaches and/or migraines, n (%)
Learning disability, ADHD, dyslexia, or seizures, n (%)
Psychiatric disorder, n (%)
Family history of above, n (%)
Medications, n (%)
 ADHD and/or anxiety1(1.1)1(1.1)0(0.0)
 Asthma 4(4.4)5(5.6)6(7.1)
  • ADHD, attention-deficit/hyperactivity disorder; CT, computed tomography; IQR, interquartile range; PTA, posttraumatic amnesia. —, not applicable.

  • a Analysis of variance for continuous variables and Fisher’s exact test for categorical variables. Age presented as median (IQR), was tested using the Kruskal-Wallis test.