(2011) A new definition of neuropathic pain. Jensen TS, Baron R, Haanpää M, Kalso E, Loeser JD et al. We encourage researchers and clinicians to use this tool for the assessment of patients who suffer suspected neuropathic pain. We demonstrated the validity and reliability of PDQ-J. In the analysis of test-retest method, the intraclass correlation coefficient between the two scores was 0.94. The Cronbach alpha for the total score was 0.78 and for the main component was 0.80. Moreover, PDQ-J revealed statistically significant correlation with the intensity of pain (Numerical Rating Scale), Physical Component Score, and Mental Component Score of the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36). Subsequently, a multicenter observational study was performed to evaluate the validity and reliability of PDQ-J, including 113 Japanese patients suffering from pain.įactor analysis revealed that the main component of PDQ-J comprises two determinative factors, which account for 62% of the variance observed. The translation of the original PDQ into Japanese was achieved according to the published guidelines. The aim of this study was to evaluate the validity and reliability of the Japanese version of the painDETECT questionnaire (PDQ-J).
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