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A comparison of SF-6D and EQ-5D utility scores in a study of patients with schizophrenia

McCrone, Paul and Patel, Anita and Knapp, Martin and Schene, Aart and Koeter, Maarten and Ammadeo, Francesco and Ruggeri, Mirella and Giessler, Anne and Puschner, Bernd and Thornicroft, Graham (2009) A comparison of SF-6D and EQ-5D utility scores in a study of patients with schizophrenia. Journal of Mental Health Policy and Economics, 12 (1). pp. 27-31. ISSN 1099-176X

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Abstract

Economic evaluations of healthcare interventions increasingly measure outcomes using quality-adjusted life years (QALYs). The SF-6D and the EQ-5D are alternative ways of generating utility scores for use in QALY estimations. This study compares these measures in a sample of patients with schizophrenia. Mean utility scores were very similar at baseline (EQ-5D 0.68, SF-6D 0.67) and follow-up (EQ-5D 0.71, SF-6D 0.68). The SF-6D scores followed a normal distribution whilst the EQ-5D scores were negatively skewed with a clustering at 1.00. There were few differences in sensitivity to change between the EQ-5D and SF-6D. From an analytical perspective the SF-6D has advantages over the EQ-5D due to its normal distribution and lack of ceiling effect. However, both measures produce similar mean utility scores. Overall the SF-6D appears more suitable as a measure if utility in this patient group.

Item Type: Article
Official URL: http://www.icmpe.org/test1/journal/journal.htm
Additional Information: © 2009 ICMPE
Subjects: R Medicine > RA Public aspects of medicine
Sets: Departments > Social Policy
Research centres and groups > Personal Social Services Research Unit (PSSRU)
Date Deposited: 09 Oct 2009 09:53
Last Modified: 21 Aug 2012 10:59
URI: http://eprints.lse.ac.uk/id/eprint/25437

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