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Comparing the performance of the SF-6D and the EQ-5D in different patient groups

2014-04Journal article Open Access
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dc.contributor.authorFerreira, Lara N.
dc.contributor.authorFerreira, Pedro L.
dc.contributor.authorPereira, Luis N.
dc.date.accessioned2018-12-07T14:53:47Z
dc.date.available2018-12-07T14:53:47Z
dc.date.issued2014-04
dc.description.abstractIntroduction: This research aims to explore the performance of the SF-6D and the EQ-5D in patients suffering from asthma, chronic obstructive pulmonary disease, cataracts, and rheumatoid arthritis. In particular, the aim of this research is twofold: 1) to study the level of agreement between the indexes and the descriptive systems of the dimensions of the SF-6D and the EQ-5D, and 2) to analyze the discriminative ability of the instruments. Material and Methods: A sample of 643 patients completed both the SF-36v2 and the EQ-5D. The discriminative ability of the instruments was analyzed. Furthermore, the level of agreement between the indexes and the descriptive systems of the dimensions of the SF-6D and the EQ-5D were studied. The level of agreement between instruments was investigated using correlation coefficients and the Bland-Altman plots, while the influence of medical condition and other socio-demographic variables was analyzed using non-parametric tests. Paired-samples tests were used to identify differences between the scores. Results and Discussion: The results show a strong correlation and agreement between both indexes. Overall, questionnaire indexes differ by medical condition and socio-demographic groups and both instruments are able to discriminate between socio-demographic groups. Conclusion: This study confirmed the hypothesis that the SF-6D generates higher utility values in less healthy individuals. The SF-6D and the EQ-5D seem to perform differently in each of the diseases studied since the descriptive statistics differ between instruments and the level of correlation is not uniform. Results show that the instruments generate different utility values, but there is a strong agreement between both indexes. Thus, the two instruments are not interchangeable and their results cannot be directly comparable.
dc.description.sponsorshipPortuguese Foundation for Science and Technology (Fundacao para a Ciencia e a Tecnologia)
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.doi10.20344/amp.4057
dc.identifier.issn1646-0758
dc.identifier.urihttp://hdl.handle.net/10400.1/11687
dc.language.isoeng
dc.peerreviewedyes
dc.publisherOrdem dos Médicos
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectQuality-of-life
dc.subjectPreference-based measure
dc.subjectHealth states
dc.subjectGeneral-population
dc.subjectUtility values
dc.subjectRheumatoid-arthritis
dc.subjectMultiple-sclerosis
dc.subjectValue set
dc.subjectEuroqol
dc.subjectDisease
dc.titleComparing the performance of the SF-6D and the EQ-5D in different patient groups
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage245
oaire.citation.issue2
oaire.citation.startPage236
oaire.citation.titleActa Médica Portuguesa
oaire.citation.volume27
person.familyNameFerreira
person.familyNameFerreira
person.familyNameNobre Pereira
person.givenNameLara
person.givenNamePedro
person.givenNameLuis
person.identifier.ciencia-id761A-3037-8E22
person.identifier.ciencia-id6C15-8AE2-229E
person.identifier.ciencia-id6114-E329-972E
person.identifier.orcid0000-0003-2378-7750
person.identifier.orcid0000-0002-9448-9542
person.identifier.orcid0000-0003-0917-7163
person.identifier.ridB-7575-2019
person.identifier.ridL-8790-2013
person.identifier.scopus-author-id24491766400
person.identifier.scopus-author-id7202018191
rcaap.rightsopenAccess
rcaap.typearticle
relation.isAuthorOfPublicatione93501ac-9707-4e92-bb2c-cc91bc09b428
relation.isAuthorOfPublication88bf0078-5027-43f9-835e-d0edc455fbe7
relation.isAuthorOfPublication090a6604-b604-414b-a8d2-c4dc731b7b51
relation.isAuthorOfPublication.latestForDiscovery090a6604-b604-414b-a8d2-c4dc731b7b51

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