TABLE 1

Sample Characteristics and Key Medical Variables (N = 341)

CharacteristicFrequency%
Gender
    Male21763.6
    Female12436.4
Age at injury
    Range, y0–18
    Mean (SD), y9.33 (5.32)
    Missing data1
GCS
    13–1521872.7
    9–123411.3
    <84816.0
    Missing data41
LOC
    No21164.3
    Yes11735.7
    Missing data13
Seizures
    No31294.3
    Yes195.7
    Missing data10
Vomiting
    No24273.1
    Yes8926.9
    Missing data10
Disorientation
    No24273.1
    Yes8926.9
    Missing data10
Concussion
    Not present22767.6
    Present10932.4
    Missing data5
Resuscitation: airway
    No intervention26079.0
    Intervention6921.0
    Missing data12
Resuscitation: breathing
    No intervention25577.5
    Intervention7422.5
    Missing data12
Resuscitation: circulation
    No intervention4413.5
    Intervention28386.5
    Missing data14
CT initial taken
    No3911.5
    Yes30188.5
    Missing data1
CT initial normal
    No14749.0
    Yes15351.0
    Missing data41
Cause of TBI
    Mover vehicle crash13439.3
    Fall11734.3
    Othera9026.4
  • a Other causes of TBI include sports, assault, bicycle, and child abuse.