Article

OBJECTIVES: Evaluate the inter-rater and test-retest reproducibility of the "400
Points assessment", a measurement of the functional ability of the hand. The
scale included four tests: function of the hand, prehension strengths, handling
and displacement of things, and function with both hands. METHODS: Thirty
patients with hand injuries were participated. The inter-rate agreements were
examinated between three occupational therapists.
The First rater was an
experienced user of this instrument (observer 1), the second one was a novice
user (observer 2), the last rater is a student who had never used it before
(observer 3). Subjects were tested twice by the same raters independently, with
30 minutes intervals between tests. Statistical analysis was done by calculating
average differences and intraclass correlation coefficient. RESULTS: (i) The
difference between the three raters agreements was small for the two
measurements, except for function with both hands in the second period. Every
intraclass correlation coefficient was higher than 0.95. (ii) Difference between
the two measurements was small for every observer. These differences are not
significant except for function with both hands. Intraclass correlation
coefficients are all higher than 0.82 even than 0.90 for the total score. The
difference between the two periods for the overall test is small, from 5% to 10%
for seven patients and from 10 to 15% for two patients. Differences at two times
had the same agreement for the three observers. CONCLUSION: "400 Points
assessment" is reproducible (inter-rater and test-retest reproductibility). The
test "function with both hands" requires more experience of the assessment.
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Langue : FRANCAIS