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A functional difficulty and functional pain instrument for hip and knee osteoarthritis
INTRODUCTION: The objectives of this study were to develop a functional outcome instrument for hip and knee osteoarthritis research (OA-FUNCTION-CAT) using item response theory (IRT) and computer adaptive test (CAT) methods and to assess its psychometric performance compared to the current standard...
Autores principales: | , , , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2745788/ https://www.ncbi.nlm.nih.gov/pubmed/19589168 http://dx.doi.org/10.1186/ar2760 |