Format

Send to

Choose Destination
See comment in PubMed Commons below
Osteoarthritis Cartilage. 2013 Jan;21(1):51-9. doi: 10.1016/j.joca.2012.09.019. Epub 2012 Oct 9.

A performance based patient outcome score for active patients following total knee arthroplasty.

Author information

1
Department of Trauma and Orthopaedics, University College London Hospital, 250 Euston Road, London NW1 2PG, UK. f.hossain@doctors.org.uk

Abstract

OBJECTIVE:

The aim of this study was to develop and validate a user friendly performance based knee outcome score for use in active patients undergoing TKA surgery.

DESIGN:

We prospectively studied a cohort of 50 subjects without any knee symptoms, and 50 patients who underwent TKA for osteoarthritis (OA). The patients were assessed pre- and postoperatively. SF-36 and WOMAC were concurrently administered for comparison. Patients completed seven physical tasks of the finalised outcome instrument which were objectively assessed and scored.

RESULTS:

The mean functional score was 31.7 in the normal subjects. The mean functional score improved postoperatively from 10.0 to 17.7 (P < 0.001) in the TKA group. Our results confirm that the performance based score has a high test-retest reliability (intra-class correlation coefficient (ICC) of 0.89), internal consistency (Cronbach's alpha 0.84) and construct validity showing expected correlations with relevant components of the WOMAC and SF-36 scores. The responsiveness as measured by the effect size compared favourably with the same relevant components of the SF-36 and WOMAC.

CONCLUSIONS:

Our performance based knee function score is a reliable dimension specific tool to detect change in musculoskeletal function after TKA. It complements existing self-reported outcome tools in facilitating a comprehensive assessment of patients following TKA.

PMID:
23063619
DOI:
10.1016/j.joca.2012.09.019
[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 ...
    Support Center