Journal article
Hospitalizations in a cohort of HIV patients in Australia, 1999–2007
AIDS, Vol.24(9), pp.1329-1339
2010
Abstract
Objectives
To describe hospitalization rates, risk factors and associated diagnoses in people with HIV in Australia between 1999 and 2007.
Design
Retrospective cohort study of people with HIV (n = 842) using data linkage between the Australian HIV Observational Database and administrative hospital morbidity data collections.
Methods
Incidence rate ratios with 95% confidence intervals were estimated using Poisson regression models to assess risk factors for hospitalization. Predictors of length of stay were assessed using generalized mixed models. The association between hospitalization and mortality was assessed using Cox regression.
Results
In 4519 person-years of observation, there were 2667 hospital admissions; incidence rate of 59 per 100 person-years. Hospitalization rates were 50–300% higher in this cohort than comparable age and sex strata in the general population. Older age (incidence rate ratio 1.46, 95% confidence interval 1.28–1.65 per 10-year increase) and prior AIDS (incidence rate ratio 1.71, 95% confidence interval 1.24–2.35) were significantly associated with hospitalization. Other predictors of hospitalization included lower CD4 cell counts, higher HIV RNA, longer duration of HIV infection and experience with more drug classes. Lower CD4 cell counts, older age and hepatitis C virus antibody positivity were independently associated with longer hospital stay. Non-AIDS diseases were the principle reason for admission in the majority of cases. Mortality was associated with more frequent hospitalization during the study period.
Conclusion
Hospitalization rates are higher in people with HIV than the general population in Australia and are associated with markers of advanced HIV disease despite the widespread use of combination antiretroviral therapy.
Details
- Title
- Hospitalizations in a cohort of HIV patients in Australia, 1999–2007
- Authors/Creators
- K. Falster (Author/Creator) - Sax InstituteH. Wand (Author/Creator)B. Donovan (Author/Creator)J. Anderson (Author/Creator)D. Nolan (Author/Creator)K. Watson (Author/Creator)J. Watson (Author/Creator)M.G Law (Author/Creator)
- Publication Details
- AIDS, Vol.24(9), pp.1329-1339
- Publisher
- Lippincott Williams & Wilkins Ltd.
- Identifiers
- 991005542325307891
- Copyright
- © 2010 Lippincott Williams & Wilkins, Inc.
- Murdoch Affiliation
- Centre for Clinical Immunology and Biomedical Statistics
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.66 HIV
- 1.66.11 HIV/AIDS Prevention
- Web Of Science research areas
- Immunology
- Infectious Diseases
- Virology
- ESI research areas
- Immunology