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Reliability of the functional mobility scale for children with cerebral palsy

Harvey, A, Morris, ME, Graham, HK, Wolfe, R and Baker, RJ 2010, 'Reliability of the functional mobility scale for children with cerebral palsy' , Physical & Occupational Therapy in Pediatrics, 30 (2) , pp. 139-149.

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Abstract

This study examined inter-rater reliability of the Functional Mobility Scale (FMS) for children with cerebral palsy (CP) and the presence of rater bias. A consecutive sample of 118 children with CP, 2–18 years old (mean 10.3 years, SD 3.6), was recruited from a hospital setting. Children were classified using the gross motor function classification system (GMFCS) with 13 in Level I, 49 in Level II, 44 in Level III, and 12 in Level IV. Each child was independently scored on the FMS by two raters. Raters were randomly assigned from a sample of 44 orthopaedic surgeons, hospital-based physiotherapists, and community-based physiotherapists. Quadratic weighted kappa coefficients for mobility ratings varied from 0.86 to 0.92 for the three distances, indicating substantial chance corrected agreement. Levels of agreement were similar when administering the scale in person and by telephone, suggesting that the FMS can be administered by either method. There was a tendency for surgeons to rate mobility higher than physiotherapists, however, only one of the comparisons was statistically significant. The FMS is a reliable tool that can be used by clinicians to assess mobility in children with CP.

Item Type: Article
Uncontrolled Keywords: Agreement, cerebral palsy, Functional Mobility Scale, inter-reliability, mobility, outcomes assessment, reproducibility of results
Themes: Health and Wellbeing
Schools: Colleges and Schools > College of Health & Social Care
Colleges and Schools > College of Health & Social Care > School of Health Sciences
Journal or Publication Title: Physical & Occupational Therapy in Pediatrics
Publisher: Informa Healthcare
Refereed: Yes
ISSN: 0194-2638
Depositing User: RH Shuttleworth
Date Deposited: 08 Jun 2011 08:29
Last Modified: 20 Aug 2013 16:53
URI: http://usir.salford.ac.uk/id/eprint/15950

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