AI Article Synopsis
- The MAP-Hand is a reliable and valid tool for assessing hand performance in patients with rheumatoid arthritis, but this study investigates its applicability in hand osteoarthritis.
- It involved 211 patients primarily women, with a mean age of 62.8 years, showing strong internal consistency (Cronbach's α = 0.86) and a good correlation with other measures of hand function.
- The findings indicate that while the MAP-Hand reflects the activity limitations in hand osteoarthritis, further evaluations of its reliability and construct validity are needed before widespread use.
Article Abstract
Background: The Measure of Activity Performance of the Hand (MAP-Hand) is reliable and valid in patients with rheumatoid arthritis.
Objective: To assess the validity and responsiveness of the MAP-Hand in patients with hand osteoarthritis.
Methods: Patients were recruited from 2 rheumatology centres. The internal consistency of the MAP-Hand was assessed by Cronbach's α. Content validity was evaluated based on patient interviews. Construct validity and responsiveness were based on predefined hypotheses of correlation between the MAP-Hand and concurrent measures.
Results: Ten men and 201 women, mean age 62.8 years (standard deviation (SD) 6.8) and disease duration 12.5 (SD 7.5) years were included. A Cronbach's α of 0.86 was determined. All 18 items in the MAP-Hand were described in the interviews. Sixty-seven percent of the correlation coefficients for baseline scores and 75% for change scores were in correspondence with the predefined hypotheses. A high correlation was found between the MAP-Hand and the Australian/Canadian Hand Osteoarthritis Index function score at baseline (rho = 0.76). A moderate correlation was found for change scores (rho = 0.52).
Conclusion: The content of the MAP-Hand adequately reflects described activity limitations in patients with hand osteoarthritis. The results suggest that the MAP-Hand has adequate internal consistency and responsiveness. Before the MAP-Hand is used in patients with hand osteoarthritis, evaluations of reliability and further construct validity are warranted.
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| http://dx.doi.org/10.2340/16501977-1035 | DOI Listing |
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