Translation and Validation of the Persian Version the Boston Carpal Tunnel Syndrome Questionnaire

Document Type : RESEARCH PAPER

Authors

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

Abstract

Background: Carpal tunnel syndrome (CTS) is recognized as the most common type of neuropathies. Questionnaires
are the method of choice for evaluating patients with CTS. Boston Carpal Tunnel Syndrome (BCTS) is one of the most
famous questionnaires that evaluate the functional and symptomatic aspects of CTS. This study was performed to
evaluate the validity and reliability of the Persian version of BCTS questionnaire.
Methods: First, both parts of the original questionnaire (Symptom Severity Scale and Functional Status Scale) were
translated into Persian by two expert translators. The translated questionnaire was revised after merging and confirmed
by an orthopedic hand surgeon. The confirmed questionnaire was interpreted back into the original language (English)
to check any possible content difference between the original questionnaire and its final translated version. The final
Persian questionnaire was answered by 10 patients suffering from CTS to elucidate its comprehensibility; afterwards,
it was filled by all 142 participants along with the Persian version of Quick-DASH questionnaire. After 2 to 6 days the
translated questionnaire was refilled by few of the previous patients who had not received any medical treatment during
that period.
Results: Among all 142 patients, 13.4 % were male and 86.6 % were female. The reliability of the questionnaire was
tested using Cronbach’s alpha and ICC. Cronbach’s alpha was 0.859 for symptom severity scale (SSS) and 0.878 for
functional status scale (FSS). Also, ICCs were calculated as 0.538 for SSS and 0.773 for FSS. In addition, construct
validities of SSS and FSS against QuickDASH were 0.641 and 0.701, respectively.
Conclusion: Based on our results, the Persian version of the BCTQ is valid and reliable.

Keywords

Main Subjects

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The Archives of Bone and Joint Surgery
Volume 6, Issue 1
January 2018
Pages 71-77

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History

  • Receive Date: 16 March 2017
  • Accept Date: 29 November 2017

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