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A Comparison of HAART Outcomes between the US Military HIV Natural History Study (NHS) and HIV Atlanta Veterans Affairs Cohort Study (HAVACS)

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  • Jodie L Guest
  • Amy C Weintrob
  • David Rimland
  • Christopher Rentsch
  • William P Bradley
  • Brian K Agan
  • Vincent C Marconi
  • IDCRPHIV Working Group

Abstract

Introduction: The Department of Defense (DoD) and the Department of Veterans Affairs (VA) provide comprehensive HIV treatment and care to their beneficiaries with open access and few costs to the patient. Individuals who receive HIV care in the VA have higher rates of substance abuse, homelessness and unemployment than individuals who receive HIV care in the DoD. A comparison between individuals receiving HIV treatment and care from the DoD and the VA provides an opportunity to explore the impact of individual-level characteristics on clinical outcomes within two healthcare systems that are optimized for clinic retention and medication adherence. Methods: Data were collected on 1065 patients from the HIV Atlanta VA Cohort Study (HAVACS) and 1199 patients from the US Military HIV Natural History Study (NHS). Patients were eligible if they had an HIV diagnosis and began HAART between January 1, 1996 and June 30, 2010. The analysis examined the survival from HAART initiation to all-cause mortality or an AIDS event. Results: Although there was substantial between-cohort heterogeneity and the 12-year survival of participants in NHS was significantly higher than in HAVACS in crude analyses, this survival disparity was reduced from 21.5% to 1.6% (mortality only) and 26.8% to 4.1% (combined mortality or AIDS) when controlling for clinical and demographic variables. Conclusion: We assessed the clinical outcomes for individuals with HIV from two very similar government-sponsored healthcare systems that reduced or eliminated many barriers associated with accessing treatment and care. After controlling for clinical and demographic variables, both 12-year survival and AIDS-free survival rates were similar for the two study cohorts who have open access to care and medication despite dramatic differences in socioeconomic and behavioral characteristics.

Suggested Citation

  • Jodie L Guest & Amy C Weintrob & David Rimland & Christopher Rentsch & William P Bradley & Brian K Agan & Vincent C Marconi & IDCRPHIV Working Group, 2013. "A Comparison of HAART Outcomes between the US Military HIV Natural History Study (NHS) and HIV Atlanta Veterans Affairs Cohort Study (HAVACS)," PLOS ONE, Public Library of Science, vol. 8(5), pages 1-8, May.
    • Handle: RePEc:plo:pone00:0062273
    DOI: 10.1371/journal.pone.0062273
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    References listed on IDEAS

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    1. Stephen Resch & Eline Korenromp & John Stover & Matthew Blakley & Carleigh Krubiner & Kira Thorien & Robert Hecht & Rifat Atun, 2011. "Economic Returns to Investment in AIDS Treatment in Low and Middle Income Countries," PLOS ONE, Public Library of Science, vol. 6(10), pages 1-9, October.
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