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Healthy-years Equivalents versus Quality-adjusted Life Years

Healthy-years Equivalents versus Quality-adjusted Life Years The authors respond to the contention that healthy-years equivalents (HYEs) do not fulfil claims they previously made. They refute the argument for the equivalence of the two-stage lottery and the time tradeoff and show that it fails to recognize the difference between choice problems under uncertainty versus certainty. They also dismiss the claim that HYEs assume risk neutrality with respect to healthy years of life, and show that HYEs are superior to the "general" (risk-averse) form of QALYs because HYEs employ fewer assumptions; in partic ular, they do not assume a specific form of the individual's utility function. The examples they used earlier are demonstrated to be conclusive, and the authors respond to arguments about the practical aspects of using HYEs vs QALYs. Finally, they take issue with the assumption that the roots of the QALY model are all attributable to utility theory. Key words: quality-adjusted life years; healthy-years equivalents; medical decision making; individual preferences; time tradeoff; standard gamble; utility theory. (Med Decis Making 1993;13:287- 292) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Medical Decision Making SAGE

Healthy-years Equivalents versus Quality-adjusted Life Years

Medical Decision Making , Volume 13 (4): 6 – Dec 1, 1993

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References (25)

Publisher
SAGE
Copyright
Copyright © by SAGE Publications
ISSN
0272-989X
eISSN
1552-681X
DOI
10.1177/0272989X9301300404
pmid
8246700
Publisher site
See Article on Publisher Site

Abstract

The authors respond to the contention that healthy-years equivalents (HYEs) do not fulfil claims they previously made. They refute the argument for the equivalence of the two-stage lottery and the time tradeoff and show that it fails to recognize the difference between choice problems under uncertainty versus certainty. They also dismiss the claim that HYEs assume risk neutrality with respect to healthy years of life, and show that HYEs are superior to the "general" (risk-averse) form of QALYs because HYEs employ fewer assumptions; in partic ular, they do not assume a specific form of the individual's utility function. The examples they used earlier are demonstrated to be conclusive, and the authors respond to arguments about the practical aspects of using HYEs vs QALYs. Finally, they take issue with the assumption that the roots of the QALY model are all attributable to utility theory. Key words: quality-adjusted life years; healthy-years equivalents; medical decision making; individual preferences; time tradeoff; standard gamble; utility theory. (Med Decis Making 1993;13:287- 292)

Journal

Medical Decision MakingSAGE

Published: Dec 1, 1993

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