Cost of care for cystic fibrosis: an investigation of cost determinants using national registry data

Yuanyuan Gu, Sonia García-Pérez, John Massie and Kees Gool

The European Journal of Health Economics, 2015, vol. 16, issue 7, 709-717

Abstract: Cystic fibrosis (CF) is a progressive disease with treatments intensifying as patients get older and severity worsens. To inform policy makers about the cost burden in CF, it is crucial to understand what factors influence the costs and how they affect the costs. Based on 1,060 observations (from 731 patients) obtained from the Australian Data Registry, individual annual health care costs were calculated and a regression analysis was carried out to examine the impact of multiple variables on the costs. A method of retransformation and a hypothetical patient were used for cost analysis. We show that an additional one unit improvement of FEV1pp (i.e., forced expiratory volume in 1 s as a percentage of predicted volume) reduces the costs by 1.4 %, or for a hypothetical patient whose FEV1pp is 73 the cost reduction is A$252. The presence of chronic infections increases the costs by 69.9–163.5 % (A$12,852–A$30,047 for the hypothetical patient) depending on the type of infection. The type of CF genetic mutation and the patient’s age both have significant effects on the costs. In particular, being homozygous for p.F508del increases the costs by 26.8 % compared to all the other gene mutations. We conclude that bacterial infections have a very strong influence on the costs, so reducing both the infection rates and the severity of the condition may lead to substantial cost savings. We also suggest that the patient’s genetic profile should be considered as an important cost determinant. Copyright Springer-Verlag Berlin Heidelberg 2015

Keywords: Cost determinants; Cost of illness; Cystic fibrosis; Log transformation; Registry data; I10—Health: general; I18—Health: Government policy. Regulation. Public health (search for similar items in EconPapers)
Date: 2015
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DOI: 10.1007/s10198-014-0621-5

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