Abstract
Preference-based Quality of Life measurements in medical rehabilitation: A comparison
There are different instruments available in German language to measure health-related quality of life for use in health-economic studies. Yet, virtually no information is available regarding the applicability and the methodological quality of preference-based instruments in rehabilitation research. In our study we evaluate the applicability and methodological properties of preference-based quality of life measures as applied in rehabilitation research. The set of questionnaires included validated German language versions of the SF-36, QWB-SA, EQ-5D, Health Utilities Index (HUI) and 15D. The results show that all instruments appear to be highly acceptable for rehabilitation patients. If small changes are expected in evaluative studies, application of SF-6D or 15D should be recommended. Comparisons of distributions and mean index scores in this sample demonstrate that results obtained with different preference-based measures are not equivalent.
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