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Outcomes in the first 5 years after traumatic brain injury
J D Corrigan1, K Smith-Knapp, C V Granger
1Department of Physical Medicine and Rehabilitation, The Ohio State University, Columbus, USA.
Objective:
To examine the extent to which outcomes from traumatic brain injury differ as a function of time and can be predicted at discharge from inpatient rehabilitation.
Design:
Survey method employing cross-sectional analyses.
Setting:
An inpatient brain injury rehabilitation unit in a large midwestern academic medical center.
Subjects:
Ninety-five adults with traumatic brain injuries, 6 months to 5 years after inpatient rehabilitation, stratified by time postdischarge.
Main Outcome Measures:
Functional Independence Measure (FIM), Sickness Impact Profile (SIP), Medical Outcomes Survey SF-36, Community Integration Questionnaire (CIQ), Craig Handicap Assessment and Reporting Technique (CHART), Brief Symptom Inventory (BSI), Satisfaction With Life Scale (SWLS), and indices of current psychosocial functioning.
Results:
Substance abuse, need for supervision, life satisfaction, and selected subscales of the CIQ and CHART differed over the period 6 months to 5 years after discharge. Approximately 75% of the variance in current FIM scores, and 40% to 50% of CHART, CIQ, and SIP total scores, could be predicted at time of discharge.
Conclusions:
Outcomes over the first 5 years after discharge were dynamic, with most change being improvement, at least after the first 2 years. Important aspects of outcome could not be predicted based on premorbid characteristics, injury severity, and initial functional abilities.