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Decomposing Cross-country Differences in Quality Adjusted Life Expectancy: the Impact of Value Sets by Richard Heijink; Pieter van Baal; Mark Oppe; Xander Koolman; Gert Westert is a Medicine article available to read on EtoBox.

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## Background The validity, reliability and cross-country comparability of summary measures of population health (SMPH) have been persistently debated. In this debate, the measurement and valuation of nonfatal health outcomes have been defined as key issues. Our goal was to quantify and decompose international differences in health expectancy based on health-related quality of life (HRQoL). We focused on the impact of value set choice on cross-country variation. ## Methods We calculated Quality Adjusted Life Expectancy (QALE) at age 20 for 15 countries in which EQ-5D population surveys had been conducted. We applied the Sullivan approach to combine the EQ-5D based HRQoL data with life tables from the Human Mortality Database. Mean HRQoL by country-gender-age was estimated using a parametric model. We used nonparametric bootstrap techniques to compute confidence intervals. QALE was then compared across the six country-specific time trade-off value sets that were available. Finally, three counterfactual estimates were generated in order to assess the contribution of mortality, health states and health-state values to cross-country differences in QALE. ## Results QALE at age 20 ranged

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Author

Richard Heijink; Pieter van Baal; Mark Oppe; Xander Koolman; Gert Westert

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London: BioMed Central, [2003]-; Springer Science and Business Media LLC (ISSN 1478-7954)

Published

2011

Language

EN

Field

Medicine (Health Sciences)