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Clin Exp Rheumatol. 2010 Sep-Oct;28(5 Suppl 62):S42-7. Epub 2010 Nov 3.

The Italian version of the Hand Mobility in Scleroderma (HAMIS) test: evidence for its validity and reliability.

Author information

1
Department of BioMedicine, Division of Rheumatology, University of Florence, Italy. angela.delrosso@fastwebnet.it

Abstract

OBJECTIVES:

In systemic sclerosis (SSc), hand involvement is frequent and leads to prominent disability. The Hand Mobility in Scleroderma (HAMIS) test is a hand function test for SSc patients assessing the movements included in an ordinary range of motion examination. Our aim is to validate the Italian version of HAMIS, by assessing its test-retest reliability, internal consistency and external consistency in Italian SSc patients.

METHODS:

The Italian version of HAMIS was administered to 40 SSc patients. HAMIS was translated according to international procedures. Test-retest reliability was assessed by intra-class correlation coefficient (ICC), internal consistency by Cronbach's alpha and external consistency by comparison with Cochin Hand Function Scale (CHFS), fist closure, hand opening, HAQ.

RESULTS:

HAMIS showed a good testretest reliability (ICCs=0.99 for right and left hand) and internal consistency (Cronbach's α=0.94 for right and 0.93 for left hand) for both hands. A good external consistency was confirmed by the correlation of right and left hand HAMIS with CHFS (p<0.0001, in both cases); fist closure of homolateral hand (p<0.0001 in both cases), opening of homolateral hand (p<0.05 and <0.005, respectively), HAQ (p<0.001 in both cases). HAMIS scores for right and left hands were 7.95±6 .68 and 7.5±6.60 (p=NS), respectively. HAMIS scores for both hands were higher in dSSc and in patients with hand arthritis and flexion contractures.

CONCLUSIONS:

HAMIS is a hand function test measuring hand disability in SSc. Our results support its validity and reliability in Italian SSc patients.

PMID:
21050544
[Indexed for MEDLINE]

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