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eq5dmap: A command for mapping between EQ-5D-3L and EQ-5D-5L

Author

Listed:
  • Mónica Hernández-Alava

    (University of Sheffield)

  • Stephen Pudney

    (University of Sheffield)

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 speci- fied 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.

Suggested Citation

  • Mónica Hernández-Alava & Stephen Pudney, 2018. "eq5dmap: A command for mapping between EQ-5D-3L and EQ-5D-5L," Stata Journal, StataCorp LP, vol. 18(2), pages 395-415, June.
    • Handle: RePEc:tsj:stataj:v:18:y:2018:i:2:p:395-415
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