eq5dmap: A command for mapping between EQ-5D-3L and EQ-5D-5L
Mónica Hernández-Alava
School of Health and Related Research
Health Economics and Decision Science
University of Sheffield
Sheffield, UK
[email protected]
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Stephen Pudney
School of Health and Related Research
Health Economics and Decision Science
University of Sheffield
Sheffield, UK
[email protected]
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Abstract. In this article, we describe a new command, eq5dmap, for conditional
prediction of the utility values of EQ-5D-5L (EQ-5D-3L) from observed or specified
values of EQ-5D-3L (EQ-5D-5L) conditional on age and gender. Predictions
can be made either from the five-item health descriptions or from the (exact or
approximate) utility score. The prediction process is based on a joint statistical
model of the two variants of EQ-5D that have been fit to alternative reference
datasets (the National Data Bank for Rheumatic Diseases and a EuroQol Group
coordinated data-collection study). The underlying model is a system of ordinal
regressions with a flexible residual distribution specified as Gaussian or as a copula
mixture. Use of the command is illustrated with an application that includes an
investigation of the sensitivity of the mapping outcomes to the choice of reference
dataset.
View all articles by these authors:
Mónica Hernández-Alava, Stephen Pudney
View all articles with these keywords:
eq5dmap, EQ-5D, EQ-5D-3L, EQ-5D-5L, mapping, conditional prediction, copula, mixture model
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