Display Settings:

Format

Send to:

Choose Destination
See comment in PubMed Commons below
Osteoarthritis Cartilage. 2010 Mar;18(3):372-6. doi: 10.1016/j.joca.2009.10.012. Epub 2009 Nov 3.

Reliability, validity and responsiveness of the Portuguese version of the Knee injury and Osteoarthritis Outcome Score--Physical Function Short-form (KOOS-PS).

Author information

  • 1Technical University of Lisbon, Faculty of Human Kinetics, Center for Research in Physiotherapy, Lisbon, Portugal. ruigoncalves@estescoimbra.pt

Abstract

OBJECTIVE:

To test the reliability, validity and responsiveness of the Portuguese version of the Knee injury and Osteoarthritis Outcome Score--Physical Function Short-form (KOOS-PS).

METHODS:

The Portuguese full KOOS and Medical Outcomes Study e 36 item Short-Form (SF-36) questionnaires, and a form of individual characteristics of the patients were applied to 85 subjects with knee osteoarthritis (OA).

RESULTS:

Cronbach's alpha coefficient was 0.89 and intraclass correlation coefficient (ICC) was 0.85, certifying that KOOS-PS reliability was acceptable. Construct validity was supported by the confirmation of the five predefined hypotheses involving expected correlations between KOOS-PS scale, KOOS subscales and SF-36 subscales. An additional predefined hypothesis was also confirmed with the subjects that need walking aids obtaining higher KOOS-PS scale scores (P = 0.011). Responsiveness to 4 weeks of conventional physical therapy treatments and to a 6-week health education and exercise program was demonstrated with a standardized effect size of 0.88 and 0.50, and a standardized response mean of 1.21 and 0.73, respectively.

CONCLUSION:

The Portuguese KOOS-PS evidenced acceptable psychometric characteristics.

PMID:
19912982
[PubMed - indexed for MEDLINE]
Free full text
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Elsevier Science
    Loading ...
    Write to the Help Desk