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J Clin Epidemiol. 1998 Nov;51(11):1115-28.

Deriving a preference-based single index from the UK SF-36 Health Survey.

Author information

1
Sheffield Health Economics Group, School of Health and Related Research, University of Sheffield, UK.

Abstract

This article presents the results of a study to derive a preference-based single index from the SF-36. The study was an attempt to reconcile a profile health status measure, the SF-36, with the "quality adjusted life years" approach. The study undertook a parsimonious restructuring of the SF-36 using explicit criteria to form the SF-6D health state classification. A sample of multidimensional health states defined by this classification were valued by a convenience sample of health professionals, managers, and patients, who responded to a set of visual analogue scale ratings and standard gamble questions, with highly complete and consistent answers. Statistical models were estimated to predict single index scores for all 9000 health states defined by the new classification. The resultant algorithms can be applied to existing SF-36 data sets and used in the assessment of the cost-effectiveness of health technologies. This preliminary work forms the basis of a larger study currently being undertaken in the UK.

PMID:
9817129
[Indexed for MEDLINE]

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