Order of presentation in a generic and a specific QoL instrument has marginal effect .
Effect of order of presentation of a generic and a specific health-related quality of life instrument in knee and hip osteoarthritis: A randomized study
Osteoarthritis Cartilage. 2008 Apr;16(4):498-505. Epub 2007 Sep 6.341 patients with knee and hip osteoarthritis (OA), recruited from rheumatology and orthopaedic surgery outpatient clinics, were randomized to undertake the specific Osteoarthritis Knee and Hip QoL (OAKHQOL) and generic short form 36 (SF-36) assessment. The purpose of this study was to compare quality of response and quality of scores. The results indicated that the order in which generic and specific instruments were presented to patients with knee and hip osteoarthritis did not matter.
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