• Arch Phys Med Rehabil · Jun 2015

    Long-Term Survival After Traumatic Brain Injury Part II: Life Expectancy.

    • Jordan C Brooks, Robert M Shavelle, David J Strauss, Flora M Hammond, and Cynthia L Harrison-Felix.
    • Life Expectancy Project, San Francisco, CA. Electronic address: Brooks@LifeExpectancy.org.
    • Arch Phys Med Rehabil. 2015 Jun 1;96(6):1000-5.

    ObjectivesTo compute the life expectancy of persons with traumatic brain injury (TBI) based on validated prognostic models from 2 cohorts, to compare mortality and life expectancy of persons with TBI with those of the U.S. general population, and to investigate trends toward improved survival over the last 2 decades.DesignSurvival analysis.SettingPostdischarge from rehabilitation units and long-term follow-up at regional centers.ParticipantsTwo cohorts of long-term survivors of TBI (N=12,481): the Traumatic Brain Injury Model Systems (TBIMS) cohort comprised 7365 persons who were admitted to a TBIMS facility with moderate to severe TBI and were assessed at ≥1 years postinjury, and the California Department of Developmental Services (CDDS) cohort comprised 5116 persons who sustained a TBI and received long-term services from the CDDS.InterventionsNot applicable.Main Outcome MeasuresLife expectancy.ResultsThe estimates of age-, sex-, and disability-specific life expectancy of persons with TBI derived from the CDDS and TBIMS were similar. The estimates of age- and sex-specific life expectancy were lower than those of the U.S. general population. Mortality rates of persons with TBI were higher than those of the U.S. general population. Mortality rates did not improve and the standardized mortality ratio increased over the study period from 1988 to 2010.ConclusionsLife expectancy of persons with TBI is lower than that of the general population and depends on age, sex, and severity of disability. When compared, the survival outcomes in the TBIMS and CDDS cohorts are remarkably similar. Because there have been no marked trends in the last 20 years, the life expectancies presented in this article may remain valid in the future.Copyright © 2015 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.

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