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

McCrone, Paul, Patel, Anita, Knapp, Martin, Schene, Aart, Koeter, Maarten, Ammadeo, Francesco, Ruggeri, Mirella, Giessler, Anne, 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
Library of Congress subject classification: R Medicine > RA Public aspects of medicine
Sets: Departments > Social Policy
Research centres and groups > Personal Social Services Research Unit (PSSRU)
Rights: http://www.lse.ac.uk/library/usingTheLibrary/academicSupport/OA/depositYourResearch.aspx
Date Deposited: 09 Oct 2009 09:53
URL: http://eprints.lse.ac.uk/25437/

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