Resource utilisation and cost of ambulatory HIV care in a regional HIV centre in Ireland: a micro-costing study
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Published Version
Date
2015-04-03
Authors
Brennan, Aline
Jackson, Arthur
Horgan, Mary
Bergin, Colm
Browne, John P.
Journal Title
Journal ISSN
Volume Title
Publisher
Biomed Central Ltd.
Published Version
Abstract
BACKGROUND: It is anticipated that demands on ambulatory HIV services will increase in coming years as a consequence of the increased life expectancy of HIV patients on highly active anti-retroviral therapy (HAART). Accurate cost data are needed to enable evidence based policy decisions be made about new models of service delivery, new technologies and new medications. METHODS: A micro-costing study was carried out in an HIV outpatient clinic in a single regional centre in the south of Ireland. The costs of individual appointment types were estimated based on staff grade and time. Hospital resources used by HIV patients who attended the ambulatory care service in 2012 were identified and extracted from existing hospital systems. Associations between patient characteristics and costs per patient month, in 2012 euros, were examined using univariate and multivariate analyses. RESULTS: The average cost of providing ambulatory HIV care was found to be €973 (95% confidence interval €938 - €1008) per patient month in 2012. Sensitivity analysis, varying the base-case staff time estimates by 20% and diagnostic testing costs by 60%, estimated the average cost to vary from a low of €927 per patient month to a high of €1019 per patient month. The vast majority of costs were due to the cost of HAART. Women were found to have significantly higher HAART costs per patient month while patients over 50 years of age had significantly lower HAART costs using multivariate analysis. CONCLUSIONS: This study provides the estimated cost of ambulatory care in a regional HIV centre in Ireland. These data are valuable for planning services at a local level, and the identification of patient factors, such as age and gender, associated with resource use is of interest both nationally and internationally for the long-term planning of HIV care provision.
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Keywords
HIV , Micro-costing , Cost , Healthcare utilisation , Ambulatory care , Outpatient care , Highly active antiretroviral therapy
Citation
BRENNAN, A., JACKSON, A., HORGAN, M., BERGIN, C. J. & BROWNE, J. P. 2015. Resource utilisation and cost of ambulatory HIV care in a regional HIV centre in Ireland: a micro-costing study. BMC Health Services Research, 15: 139, 1-10. http://dx.doi.org/10.1186/s12913-015-0816-1