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The MAP-HAND : psychometric properties and differences in activity performance between patients with carpometacarpal osteoarthritis and rheumatoid arthritis

Tveter, AT; Osteras, N; Nossum, R; Mehl Eide, RE; Klokkeide, A; Hoegh Matre, K; Olsen, M; Andreasson, O; Hammond, A; Kjeken, I

The MAP-HAND : psychometric properties and differences in activity performance between patients with carpometacarpal osteoarthritis and rheumatoid arthritis Thumbnail


Authors

AT Tveter

N Osteras

R Nossum

RE Mehl Eide

A Klokkeide

K Hoegh Matre

M Olsen

O Andreasson

I Kjeken



Abstract

Objective: To assess construct validity (Rasch analyses) of the Measure of Activity Performance of the Hand (MAP-Hand) in people with carpometacarpal osteoarthritis (CMC1 OA), and to explore differences in activity performance between people with CMC1 OA and those with rheumatoid arthritis.
Design: Cross-sectional study.
Subjects: A total of 180 people with CMC1 OA referred for surgical consultation were recruited from rheumatology clinics in Norway, and 340 people with rheumatoid arthritis were recruited from outpatient rheumatology clinics in the UK.

Methods: The MAP-Hand consists of 18 predefined items scored on a 4-point scale from 1 (no difficulty) to 4 (unable to do), from which a mean score is calculated. Construct validity was assessed using Rasch analyses. Differences between the 2 groups were assessed using an independent sample t-test at the group level and differential item functioning (condition
as grouping variable) at the item level.
Results: Some mis-targeting of data and clusters of dependency were found, but the MAP-Hand scores showed an overall fit to the model. No between group difference in total mean MAP-Hand score was found, but there were significant differences between the 2 groups on item levels.

Conclusion: The MAP-Hand showed satisfactory construct validity and could differentiate between
people with CMC1 OA and those with rheumatoid arthritis on item levels.

Citation

Tveter, A., Osteras, N., Nossum, R., Mehl Eide, R., Klokkeide, A., Hoegh Matre, K., …Kjeken, I. (2020). The MAP-HAND : psychometric properties and differences in activity performance between patients with carpometacarpal osteoarthritis and rheumatoid arthritis. Journal of Rehabilitation Medicine, 52(e-pub), 00070. https://doi.org/10.2340/16501977-2696

Journal Article Type Article
Acceptance Date May 5, 2020
Online Publication Date May 28, 2020
Publication Date May 28, 2020
Deposit Date Jun 16, 2020
Publicly Available Date Jun 16, 2020
Journal Journal of Rehabilitation Medicine
Print ISSN 1650-1977
Publisher Foundation for Rehabilitation Information
Volume 52
Issue e-pub
Pages 00070
DOI https://doi.org/10.2340/16501977-2696
Publisher URL https://doi.org/10.2340/16501977-2696
Related Public URLs http://www.medicaljournals.se/jrm/
Additional Information Access Information : Published Open Access
Funders : Norwegian Research Council
Projects : Occupational therapy versus surgery in carpometacarpal osteoarthritis: A randomised controlled trial

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