Comparing alternative Rasch-based methods vs raw scores in measuring change in health.

OBJECTIVES: To compare alternative Rasch-based approaches to the assessment of change over time through the example of an outcome measure used in total hip replacement surgery. SUBJECTS: Preoperative data were collected on 1424 patients receiving total hip replacement surgery; 1221 (86%) were sent...

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Bibliographic Details
Main Authors: Norquist, J, Fitzpatrick, R, Dawson, J, Jenkinson, C
Format: Journal article
Language:English
Published: 2004