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Reference
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Eligible Population
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Type of Study or Methods
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Date(s) of Enrollment
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Subgroup (n= Eligible Subjects)
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Contacted or Located (% of Eligible)
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Responded or Enrolled (Response Rate)
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Comments
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Behavioral Outcome in Head Injury, McLean et al., 1993
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Consecutively admitted adults to Level I trauma center at Harborview; subjects met following criteria: any period of loss of consciousness, PTA for at least 1 h, or other objective evidence of head trauma; injury had to require hospitalization; age range, 15–60 years; patients with preexisting conditions excluded; 102 friend controls included in study
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Prospective cohort
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1980–1982
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102
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English-speaking adults; enrolled at time of injury and prospectively followed to 1 year; of 102 enrolled and examined at 1 month, 97 examined at 1 year
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