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KMID : 0191120110260101364
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Journal of Korean Medical Science
2011 Volume.26 No. 10 p.1364 ~ p.1370
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Psychometric Characteristics of the Korean Version of the Roland-Morris Disability Questionnaire
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Moon Jee-Youn
Kim Yong-Chul
Park Soo-Young
Lee Sang-Chul
Choi Seung-Pyo
Francis Sahngun Nahm
Lee Pyung-Bok
Goo Eui-Kyung
Kang Jong-Man
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Abstract
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The aims of this study were; 1) to develop the final version of the Korean Roland-Morris Disability Questionnaire (RDQ), and 2) to compare the responsiveness between the RDQ and the Oswestry Disability Index (ODI) scores in patients having low back pain. The psychometric properties of the final Korean RDQ were evaluated in 221 patients. Among them, 30 patients were reliability tested. Validity was evaluated using an 11-point numerical rating scale (NRS) and the Korean ODI. The receiver operating characteristic (ROC) curve analysis of the RDQ and the ODI was compared in 54 patients with lumbar zygapophyseal (facet) joint pain. There was a moderate relationship between the RDQ and NRS (r = 0.59, P < 0.01) and a strongly positive correlation between the RDQ and the ODI (r = 0.76, P < 0.001). The Korean RDQ with the higher area under the ROC curve showed a better overall responsive performance than did the ODI in patients with lumbar facet joint pain after medial branch radiofrequency neurotomy (P < 0.01). The results of the study present the final version of the Korean RDQ is valid for assessing functional status in a Korean population with chronic low back pain.
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KEYWORD
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Low Back Pain, Oswestry Disability Index, Psychometric Properties, Roland-Morris Disability Questionnaire
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