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Article: Comparison of direct-measured and derived short form six dimensions (SF-6D) health preference values among chronic hepatitis B patients

TitleComparison of direct-measured and derived short form six dimensions (SF-6D) health preference values among chronic hepatitis B patients
Authors
KeywordsChronic hepatitis B
Discriminative power
Health preference
Sensitivity
SF-36
SF-6D
Issue Date2013
Citation
Quality of Life Research, 2013, v. 22, n. 10, p. 2973-2981 How to Cite?
AbstractPurpose The short form six dimensions (SF-6D) are derived from the SF-36 Health Survey with the intention that item data of the latter are often converted to a preference value, which was subsequently used in economic evaluations of interventions. The aim was to compare the equivalence and sensitivity of health preference values derived from the SF-36/SF-12 Health Surveys to that measured directly by the SF-6D for chronic hepatitis B (CHB) patients. Methods This was a secondary analysis of the SF-6D and SF-36 data from a baseline sample of 589 patients with CHB infection with different stages of liver diseases. Degree of agreement (equivalence) between direct-measured and derived SF-6D values was determined using spearman correlation and intra-class correlation. Sensitivity and discriminative power of different SF-6D values were compared by standardized effect size and relative efficiency (RE) statistics. Results Significant differences in the direct-measured or derived SF-6D preference values were found between CHB groups. Degree of agreement between SF-6D values was satisfactory. Direct-measured SF-6D was the most efficient, followed by SF-12-derived and the SF-36-derived was the least, based on the standardized effect size and the RE statistics. Sensitivity and discriminative power of direct-measured SF-6D were superior to derived SF-6D among people with different CHB health states. Conclusions Although direct-measured and derived SF-6D preference values had satisfactory sensitivity in discriminating between CHB groups, direct-measured SF-6D is the most sensitive and preferable method of obtaining health preference. © Springer Science+Business Media Dordrecht 2013.
Persistent Identifierhttp://hdl.handle.net/10722/202205
ISSN
2015 Impact Factor: 2.429
2015 SCImago Journal Rankings: 1.158
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWong, Carlos K. H.-
dc.contributor.authorLam, Elegance Ting Pui-
dc.contributor.authorLam, Cindy Lo Kuen-
dc.date.accessioned2014-08-22T02:57:48Z-
dc.date.available2014-08-22T02:57:48Z-
dc.date.issued2013-
dc.identifier.citationQuality of Life Research, 2013, v. 22, n. 10, p. 2973-2981-
dc.identifier.issn0962-9343-
dc.identifier.urihttp://hdl.handle.net/10722/202205-
dc.description.abstractPurpose The short form six dimensions (SF-6D) are derived from the SF-36 Health Survey with the intention that item data of the latter are often converted to a preference value, which was subsequently used in economic evaluations of interventions. The aim was to compare the equivalence and sensitivity of health preference values derived from the SF-36/SF-12 Health Surveys to that measured directly by the SF-6D for chronic hepatitis B (CHB) patients. Methods This was a secondary analysis of the SF-6D and SF-36 data from a baseline sample of 589 patients with CHB infection with different stages of liver diseases. Degree of agreement (equivalence) between direct-measured and derived SF-6D values was determined using spearman correlation and intra-class correlation. Sensitivity and discriminative power of different SF-6D values were compared by standardized effect size and relative efficiency (RE) statistics. Results Significant differences in the direct-measured or derived SF-6D preference values were found between CHB groups. Degree of agreement between SF-6D values was satisfactory. Direct-measured SF-6D was the most efficient, followed by SF-12-derived and the SF-36-derived was the least, based on the standardized effect size and the RE statistics. Sensitivity and discriminative power of direct-measured SF-6D were superior to derived SF-6D among people with different CHB health states. Conclusions Although direct-measured and derived SF-6D preference values had satisfactory sensitivity in discriminating between CHB groups, direct-measured SF-6D is the most sensitive and preferable method of obtaining health preference. © Springer Science+Business Media Dordrecht 2013.-
dc.languageeng-
dc.relation.ispartofQuality of Life Research-
dc.subjectChronic hepatitis B-
dc.subjectDiscriminative power-
dc.subjectHealth preference-
dc.subjectSensitivity-
dc.subjectSF-36-
dc.subjectSF-6D-
dc.titleComparison of direct-measured and derived short form six dimensions (SF-6D) health preference values among chronic hepatitis B patients-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1007/s11136-013-0403-z-
dc.identifier.pmid23564621-
dc.identifier.scopuseid_2-s2.0-84892818953-
dc.identifier.hkuros213967-
dc.identifier.volume22-
dc.identifier.issue10-
dc.identifier.spage2973-
dc.identifier.epage2981-
dc.identifier.isiWOS:000328215200035-

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