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Testing the validity and reliability of the Arabic version of the painDETECT questionnaire in the assessment of neuropathic pain

Yousef, Shehu; Abu-Shaheen, Amani; Riaz, Muhammad; Nofal, Abdullah; AlFayyad, Isamme; Khan, Sarfaraz and Heena, Humariya (2018). Testing the validity and reliability of the Arabic version of the painDETECT questionnaire in the assessment of neuropathic pain. PLOS ONE, 13(4) e0194358.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1371/journal.pone.0194358
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Abstract

Introduction

Neuropathic pain (NP) can cause substantial suffering and, therefore, it must be diagnosed and treated promptly. Diagnosis of NP can be difficult and if made by an expert pain physician is considered the gold standard, however where expert help may not be easily available, screening tools for NP can be used. The painDETECT questionnaire (PD-Q) is a simple screening tool and has been widely used in several languages. We developed an Arabic version of PD-Q and tested its validity and reliability. Methods The original PD-Q was translated into the Arabic language by a team of experts. The translated version of the PD-Q was administered to the study population, which included patients having moderate to severe pain for at least three months. Reliability of the Arabic version was evaluated by an intra-class-correlation coefficient (ICC) between pre- and post-measures and Cronbach’s α values. Validity was measured by receiver operating characteristic (ROC) curve. Expert pain physician diagnosis was considered as the gold standard for comparing the diagnostic accuracy. Results A total of 375 patients were included in the study, of which 153 (40.8%) patients were diagnosed with NP and 222 [59.2%] patients had nociceptive pain. The ICC between pre- and post-PD-Q scale total scores for the overall sample, NP group, and NocP group was 0.970 (95% CI, 0.964–0.976), 0.963 (95% CI, 0.949–0.973), and 0.962 (95% CI, 0.951–0.971), respectively. The Cronbach’s α values for the post-assessment measures in the overall sample, NP group, and nociceptive pain group, were 0.764, 0.684, and 0.746, respectively. The area under the ROC curve was 0.775 (95% CI, 0.725–0.825) for the PD-Q total score. Conclusion The Arabic version of the PD-Q showed good reliability and validity in the detection of NP component in patients with chronic pain.

Item Type: Journal Item
Copyright Holders: 2018 The Authors
ISSN: 1932-6203
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Mathematics and Statistics
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 68197
Depositing User: Muhammad Riaz
Date Deposited: 20 Nov 2019 17:15
Last Modified: 26 Nov 2019 05:12
URI: http://oro.open.ac.uk/id/eprint/68197
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