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Test-retest reliability of the Purdue Pegboard test in drug on-phase for patients with Parkinson s disease

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Author(s): Hajar Mehdizadeh | Ghorban Taghizadeh | Hasan Ashayeri

Journal: Koomesh
ISSN 1608-7046

Volume: 11;
Issue: 03;
Start page: 189;
Date: 2010;
Original page

Keywords: Parkinson s disease | Purdue pegboard test | test-retest reliability

ABSTRACT
Introduction: Parkinson s disease (PD) is a common progressive neurodegenerative disorder, whichits onset is later in adults and it s incidence increases in people aged between 55 and 60 years. Dexterity,because of it s role at upper extremity function and person independency in function, is assessed inrehabilitation. Purdue- Pegboard test often is used in rehabilitation clinical settings. The purpose of thisstudy was to determine the test-retest reliability and practice effects of the Purdue Pegboard test inpersons with PD.Materials and Methods: 24 PD patients aging 50-89 of both sexes were non-randomly selected fromrehabilitation clinics and hospitals of Tehran. A demographic questionnaire was used for documentingpatient s general data and the Purdue pegboard test and a timer were used for determining of reliability.Each subtest was administered three times in a row. The time distance between test and retest was oneweek.Results: The relative reliability in repeated measures was above 90% in different items of Purduepegboard test in single and mean of testes in off phase, thus indicates an excellent reliability. The absolutereliability (SEM) was lower than 10% of maximum obtained scores at each subtest in one and three trialof test that indicates acceptable errors of measurement.Conclusion: The results of the present study indicate that Purdue Pegboard test is enough reliable inevaluating a manual dexterity of Parkinson patients in drug on- phase.
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