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The 2010 American college of rheumatology fibromyalgia survey diagnostic criteria and symptom severity scale is a valid and reliable tool in a French speaking fibromyalgia cohort

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Abstract

Background: Fibromyalgia (FM) is a pain condition with associated symptoms contributing to distress. The Fibromyalgia Survey Diagnostic Criteria and Severity Scale (FSDC) is a patient-administered questionnaire assessing diagnosis and symptom severity. Locations of body pain measured by the Widespread Pain Index (WPI), and the Symptom Severity scale (SS) measuring fatigue, unrefreshing sleep, cognitive and somatic complaints provide a score (0-31), measuring a composite of polysymptomatic distress. The reliability and validity of the translated French version of the FSDC was evaluated. Methods. The French FSDC was administered twice to 73 FM patients, and was correlated with measures of symptom status including: Fibromyalgia Impact Questionnaire (FIQ), Health Assessment Questionnaire (HAQ), McGill Pain Questionnaire (MPQ), and a visual analogue scale (VAS) for global severity and pain. Test-retest reliability, internal consistency, and construct validity were evaluated. Results: Test-retest reliability was between.600 and.888 for the 25 single items of the FSDC, and.912 for the total FSDC, with all correlations significant (p<0.0001). There was good internal consistency measured by Cronbachs alpha (.846 for FSDC assessment 1, and.867 for FSDC assessment 2). Construct validity showed significant correlations between the FSDC and FIQ 0.670, HAQ 0.413, MPQ 0.562, global VAS 0.591, and pain VAS 0.663 (all p<0.001). Conclusions: The French FSDC is a valid instrument in French FM patients with reliability and construct validity. It is easily completed, simple to score, and has the potential to become the standard for measurement of polysymptomatic distress in FM. © 2012 Fitzcharles et al.; licensee BioMed Central Ltd.

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Fitzcharles, M. A., Ste-Marie, P. A., Panopalis, P., Ménard, H., Shir, Y., & Wolfe, F. (2012). The 2010 American college of rheumatology fibromyalgia survey diagnostic criteria and symptom severity scale is a valid and reliable tool in a French speaking fibromyalgia cohort. BMC Musculoskeletal Disorders, 13. https://doi.org/10.1186/1471-2474-13-179

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