Psychometric Properties of the Persian Version of the Patient Rated Wrist Evaluation

Document Type : RESEARCH PAPER


Orthopedic Research Center, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran


Background: The patient-rated wrist evaluation (PRWE) score is one of the most common clinical instruments used
as an outcome measurement tool for distal radius fractures and other upper extremity conditions. The purpose of this
study was to translate the PRWE into its Persian version and to evaluate its validity and reliability in patients with upper
extremity conditions.
Methods: One hundred and fourthly one adult patients with upper extremity conditions participated in this ethical board
approved study from August 2015 to May 2016. After translating the original version of the PRWE into Persian, all
patients filled out the PRWE in addition to the VAS (Visual analogue scale) and DASH questionnaires. For evaluating
reliability, after three days the researchers called back some of the patients who did not receive treatment or any
changes in symptoms and asked them to complete the PRWE retest (104 patients).
Results: Cronbach’s alpha was calculated as high as 0.934, implying very reliable internal consistency. After each item
deletion, the Cronbach’s alpha was still constant (range: 0.926 to 0.936). Intraclass correlation coefficient was 0.952
and this showed excellent test-retest reliability. The correlation coefficient between the PRWE and DASH scores was
strong. Multivariable analysis showed an association between the PRWE and years educated.
Conclusion: Our study has shown that the Persian version of the PRWE is valid and reliable for patients with upper
extremity conditions.


Main Subjects

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