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AIDS Care
Psychological and Socio-medical Aspects of AIDS/HIV
Volume 16, 2004 - Issue 6
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Original Articles

Comparing total health care costs and treatment patterns of HIV patients in a managed care setting

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Pages 767-780 | Published online: 27 Sep 2010
 

Abstract

The objective of this study was to investigate total health care costs and time to occurrence of hospitalization in HIV-infected patients treated according to the 1998 DHHS guidelines in a managed care setting. The study also investigated which patients do not receive guideline treatment. We used a retrospective cross-sectional study design using medical and pharmacy claims data. Data from 1,791 HIV-infected patients using antiretroviral agents between 1 February 1998 and 31 July 1999, including demographic characteristics, medication guideline use, medication adherence and cost of care, were examined. Factors associated with total health care costs and time-to-inpatient admission (as a proxy for patient outcomes) were assessed. Patients receiving guideline (HAART) therapy (55%) had higher prescription and total health care costs but lower medical costs. Patients not receiving treatment according to guidelines were more likely to be female, older, have comorbidities, lower medication adherence and no AIDs-defining illness. Treatment with HAART guidelines was associated with longer time-to-inpatient admission controlling for other factors. In a short-term cross-sectional analysis, patients treated with HAART guidelines had better outcomes based on time-to-inpatient admission but higher prescription and total health care costs. Some patients are at risk for not receiving care according to national treatment guidelines and may be targeted for intervention programmes.

Acknowledgments

Dr Purdum was a 1998–2000 Pharmacia & Upjohn Fellow of the University of Southern California. This research was supported by a research grant from Pharmacia and Upjohn.

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