Journal Article

Do Patterns of Comorbidity Vary by HIV Status, Age, and HIV Severity?

Joseph L. Goulet, Shawn L. Fultz, David Rimland, Adeel Butt, Cynthia Gibert, Maria Rodriguez-Barradas, Kendall Bryant and Amy C. Justice

in Clinical Infectious Diseases

Published on behalf of Infectious Diseases Society of America

Volume 45, issue 12, pages 1593-1601
Published in print December 2007 | ISSN: 1058-4838
Published online December 2007 | e-ISSN: 1537-6591 | DOI: http://dx.doi.org/10.1086/523577
Do Patterns of Comorbidity Vary by HIV Status, Age, and HIV Severity?

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Patterns of comorbidity among persons with human immunodeficiency virus (HIV) are not well described. We compared comorbidity among veterans with and without HIV infection. The sample consisted of 33,420 HIV-infected veterans and 66,840 HIV-uninfected veterans. We identified and clustered 11 comorbid conditions using validated International Classification of Diseases, 9th Revision, Clinical Modification codes. We defined multimorbidity as the presence of conditions in all clusters. Models restricted to HIV-infected veterans were adjusted for CD4 cell count and viral load. Comorbidity was common (prevalence, 60%–63%), and prevalence varied by HIV status. Differences remained when the veterans were stratified by age. In multivariable analyses, older HIV-infected veterans were more likely to have substance use disorder and multimorbidity. Renal, vascular, and pulmonary diseases were associated with CD4 cell count <200 cells/mm3; hypertension was associated with CD4 cell count >200 cells/mm3. Comorbidity is the rule, and multimorbidity is common among veterans with HIV infection. Patterns of comorbidity differ substantially by HIV status, age, and HIV severity. Primary care guidelines require adaptation for persons with HIV infection.

Journal Article.  4396 words.  Illustrated.

Subjects: Infectious Diseases ; Immunology ; Public Health and Epidemiology ; Microbiology

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