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A test of the predictive validity of non-linear QALY models using time trade-off utilities

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dc.contributor.author Abellán, José Mª
dc.contributor.author Pinto, José Luis
dc.contributor.author Méndez, Ildefonso
dc.contributor.author Badía, Xabier
dc.contributor.other Universitat Pompeu Fabra. Departament d'Economia i Empresa
dc.date.accessioned 2017-07-26T10:50:07Z
dc.date.available 2017-07-26T10:50:07Z
dc.date.issued 2004-02-01
dc.identifier https://econ-papers.upf.edu/ca/paper.php?id=741
dc.identifier.uri http://hdl.handle.net/10230/770
dc.description.abstract This 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 health profiles. The chronic TTO utilities were then used to predict the responses to TTO questions with 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 avoided using a power QALY model.
dc.language.iso eng
dc.relation.ispartofseries Economics and Business Working Papers Series; 741
dc.rights L'accés als continguts d'aquest document queda condicionat a l'acceptació de les condicions d'ús establertes per la següent llicència Creative Commons
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.title A test of the predictive validity of non-linear QALY models using time trade-off utilities
dc.type info:eu-repo/semantics/workingPaper
dc.date.modified 2017-07-23T02:08:26Z
dc.subject.keyword cost-utility analysis
dc.subject.keyword qalys
dc.subject.keyword power qaly model
dc.subject.keyword predictive validity
dc.subject.keyword time tradeoff
dc.subject.keyword leex
dc.subject.keyword Labour, Public, Development and Health Economics
dc.rights.accessRights info:eu-repo/semantics/openAccess


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