Journal
INTERNATIONAL JOURNAL OF TECHNOLOGY ASSESSMENT IN HEALTH CARE
Volume 22, Issue 1, Pages 84-89Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0266462306050872
Keywords
cost-effectiveness; QALY; osteoarthritis; exercise program
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Objectives: The aim of this study was to assess the cost-effectiveness of a class-based exercise program supplementing a home-based program when compared with a home-based program alone. In addition, we estimated the probability that the supplementary class program is cost-effective over a range of values of a decision maker's willingness to pay for an additional quality-adjusted life-year (QALY). Methods: The resource use and effectiveness data were collected as part of the clinical trial detailed elsewhere. Unit costs were estimated from published sources. The net benefit approach to cost-effectiveness analysis is used to estimate the probability of the intervention being cost-effective. Results: The addition of a supplementary class-based group results in an increase in QALYs and lower costs. For all plausible values of a decision maker's willingness to pay for a QALY, the supplementary class group is likely to be cost-effective. Conclusions: The addition of a class-based exercise program is likely to be cost-effective and, on current evidence, should be implemented.
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