EQ-5D-5L Health-State Values for the Mexican Population

Cristina Gutierrez-Delgado (), Rosa-María Galindo-Suárez (), Cesar Cruz-Santiago (), Koonal Shah (), Manny Papadimitropoulos (), Yan Feng, Bernarda Zamora Talaya and Nancy Devlin ()
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Cristina Gutierrez-Delgado: National Autonomous University of Mexico
Rosa-María Galindo-Suárez: General Health Council
Cesar Cruz-Santiago: General Health Council
Koonal Shah: PHMR Ltd
Manny Papadimitropoulos: Eli Lilly Canada Inc

Applied Health Economics and Health Policy, 2021, vol. 19, issue 6, No 10, 905-914

Abstract: Abstract Objective To generate a value set for the Mexican adult general population to support and facilitate the inclusion of quality-adjusted life years (QALYs) into the health technology assessment process of the Mexican healthcare authorities. Methods A representative sample of the Mexican adult population stratified by age, sex and socio-economic status was used. Following version 2.0 of the EuroQol EQ-5D-5L valuation protocol, trained interviewers guided participants in completing composite time trade-off (cTTO) and discrete-choice experiment (DCE) tasks included in the EQ-VT software. Generalized least squares, Tobit and Bayesian models were used for cTTO data. The choice of value set model was based on criteria that included: theoretical considerations, parsimony, logical ordering of coefficients, and statistical significance. Results Based on quality control criteria and interviewer judgment, 1000 out of 1032 participants provided useable responses. Participants’ demographic characteristics were similar to the 2010 Mexican Population Census and followed the socioeconomic structure defined by the Mexican Association of Marketing Research and Public Opinion Agencies (AMAI). The predicted index values in the final cTTO model (a heteroscedastic censored model with Bayesian estimation) ranged from − 0.5960 to 1, with 19.7% of all predicted health state scores less than 0 (i.e., worse than dead). Conclusion This study has generated the first value set representing the stated preferences of the Mexican adult population for use in estimating QALYs. The resulting EQ-5D-5L value set is technically robust and will facilitate health economic analyses as well as quality-of-life studies.

Date: 2021
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DOI: 10.1007/s40258-021-00658-0

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