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Towards a better QALY model

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dc.contributor.authorAbellán Perpiñán, José María
dc.contributor.authorPinto Prades, José Luis
dc.contributor.authorMéndez Martínez, Ildefonso
dc.contributor.authorBadía Llach, Xabier
dc.contributor.departmentEconomía Aplicada
dc.date.accessioned2024-12-02T09:12:56Z
dc.date.available2024-12-02T09:12:56Z
dc.date.issued2006-07-03
dc.description© 2006 John Wiley & Sons, Ltd. This document is the Published version of a Published Work that appeared in final form in Health Economics. To access the final edited and published work see https://doi.org/10.1002/hec.1095
dc.description.abstractThis paper presents a test of the predictive validity of various classes of QALY models (i.e. linear, power and exponential models). We first estimated TTO utilities for 43 EQ-5D chronic health states and next these states were embedded in nonchronic health profiles. The chronic TTO utilities were then used to predict the responses to TTO questions with nonchronic health profiles. We find that the power QALY model clearly outperforms linear and exponential QALY models. Optimal power coefficient is 0.65. Our results suggest that TTO-based QALY calculations may be biased. This bias can be corrected using a power QALY model.
dc.formatapplication/pdfes
dc.format.extent12
dc.identifier.citationHealth Economics, 2006, Vol. 15, N. 7, pp. 665-676
dc.identifier.doihttps://doi.org/10.1002/hec.1095
dc.identifier.issnPrint: 1057-9230
dc.identifier.issnElectronic: 1099-1050
dc.identifier.urihttp://hdl.handle.net/10201/146986
dc.languageenges
dc.publisherWiley
dc.relationJose-Luis Pinto-Prades acknowledges financial support from Ministerio de Educación y Ciencia grant SEJ2004- 05079 and from Fundacion BBVA (project BBVA1-04). Jose Maria Abellan acknowledges financial support from Fundacion Seneca PB/67/FS/02.es
dc.relation.publisherversionhttps://onlinelibrary.wiley.com/doi/10.1002/hec.1095
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccess
dc.subjectCost utility analysis
dc.subjectQALYs
dc.subjectPower QALY model
dc.subjectPredictive validity
dc.subjectTime tradeof
dc.titleTowards a better QALY modeles
dc.typeinfo:eu-repo/semantics/articlees
dspace.entity.typePublicationes
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