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Impact of Transformation of Negative Values and Regression Models on Differences Between the UK and US EQ-5D Time Trade-Off Value Sets

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  • Liv Augestad
  • Kim Rand-Hendriksen
  • Ivar Kristiansen
  • Knut Stavem

Abstract

Most of the observed differences between the UK and US value sets were caused by the use of different transformation methods for negative values, rather than differences between the two study populations as reflected in the datasets. Changing the regression model had little impact on the differences between the value sets. Copyright Springer International Publishing AG 2012

Suggested Citation

  • Liv Augestad & Kim Rand-Hendriksen & Ivar Kristiansen & Knut Stavem, 2012. "Impact of Transformation of Negative Values and Regression Models on Differences Between the UK and US EQ-5D Time Trade-Off Value Sets," PharmacoEconomics, Springer, vol. 30(12), pages 1203-1214, December.
    • Handle: RePEc:spr:pharme:v:30:y:2012:i:12:p:1203-1214
    DOI: 10.2165/11595420-000000000-00000
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    References listed on IDEAS

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