Table 2

Data extraction instrument for study characteristics

ReferenceStudy characteristics
Title, author, year, locationType of disciplineStudy designSample sizeAgeSexDefinition criteria for mTBITime since injury to evaluationDisseminationAetiology of mTBIPossible confounding factors (ie, ADHD, LD)**
  • **ADHD = attention deficit hyperactivity disorder, LD = learning disability

  • mTBI, mild traumatic brain injury.