Patient assessed health instruments for the knee: a structured review

Garrett, A.M. and Brearley, S. and Gillespie, W.J. (2004) Patient assessed health instruments for the knee: a structured review. Rheumatology, 43 (11). pp. 1414-1423. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Objectives. To identify patient-assessed health instruments specific to the knee and review evidence for reliability, validity and responsiveness. Methods. Instruments were identified through systematic searches of the literature. Information relating to instrument content, patient population, reliability, validity and responsiveness was extracted from published papers. Results. The 16 instruments that met the inclusion criteria varied in length from 4 to 42 items. The majority form a single index; six produce a profile of scores. Eight have been evaluated in patients with a variety of knee problems. All instruments have satisfactory internal or test–retest reliability. However, there is limited empirical support for the health domains of six instruments. Patients informed the development of items within just five instruments. Few authors gave explicit consideration to the size of expected relationships in tests of construct validity. Eleven instruments have evidence for responsiveness to changes in health. The minimally important difference was not determined for any of the instruments. Conclusions. In the absence of comparative evidence, the large number of patient-assessed instruments for knee problems makes instrument selection difficult. The Knee Injury and Osteoarthritis Outcome Score (KOOS), Knee Pain Scale and Oxford Knee Score have good evidence for reliability, content validity and construct validity. The KOOS and Oxford instruments also have evidence for responsiveness. The instruments have not been evaluated for all knee problems, and instrument appropriateness, including content relevance, must be assessed before application. The comparative evaluation of instruments is recommended.

Item Type: Article
Additional information: in collaboration with the DAMASK Trial Team
Subjects: R Medicine > RZ Other systems of medicine
R Medicine > RA Public aspects of medicine
Divisions: Faculties > Social Sciences > School of Social Policy Sociology and Social Research > Centre for Health Services Studies
Depositing User: Tony Rees
Date Deposited: 22 Jun 2011 14:25
Last Modified: 22 Jun 2011 14:25
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