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The QALY model and individual preferences for health states and health profiles over time: A systematic review of the literature

Tsuchiya, A. and Dolan, P. (2005) The QALY model and individual preferences for health states and health profiles over time: A systematic review of the literature. Medical Decision Making, 25 (4). pp. 460-467. ISSN 0272-989X

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Abstract

The numbers of quality-adjusted life years (QALYs) gained are increasingly being used to represent the gains in individual utility from treatment. This requires that the value of a health improvement to an individual is a simple product of gains in quality of life and length of life. The paper reports on a systematic review of the literature on two issues: whether the value of a state is affected by how long the state lasts; and by states that come before or after it. It was found that individual preferences over health are influenced by the duration of health states and their sequence. However, whilst there is much variation across individual respondents, the assumptions tend to hold much better when valuations are aggregated across respondents, which is encouraging for economic evaluations that rely on using average (mean or median) values.

Item Type: Article
Copyright, Publisher and Additional Information: © 2005 Sage. This is an author produced version of a paper subsequently published in Medical Decision Making. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: QALYs; individual preferences; utility measurement
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Medicine, Dentistry and Health (Sheffield) > School of Health and Related Research (Sheffield) > Health Economics and Decision Science
Depositing User: ScHARR / HEDS (Sheffield)
Date Deposited: 23 Feb 2011 14:22
Last Modified: 08 Feb 2013 17:31
Published Version: http://dx.doi.org/10.1177/0272989X05276854
Status: Published
Publisher: SAGE Publications
Refereed: Yes
Identification Number: 10.1177/0272989X05276854
URI: http://eprints.whiterose.ac.uk/id/eprint/42875

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