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Simon Stockmann Poulsen,1 Hanne Irene Jensen,1,2 Karin Due Bruun,3,4 Morten Rune Blichfeldt-Eckhardt,1,3,4 Nina Kvorning1,5 1Department of Anesthesia, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark; 2Department of Regional Health Research, University of Southern Denmark, Odense, Denmark; 3Pain Center of Southern Denmark, Odense University Hospital, Odense, Denmark; 4Department of Clinical Research, University of Southern Denmark, Odense, Denmark; 5Department of Anesthesia and Intensive Care, Hospital of Nykøbing Falster, Nykøbing Falster, DenmarkCorrespondence: Nina Kvorning, Department of Anesthesia and Intensive Care, Slagelse Hospital, Fælledvej 11, Slagelse, DK, 4200, Denmark, Tel +45 51919022, Fax +45 65413028, Email nkv@regionsjaelland.dkPurpose: Increasing recognition of chronic pain diseases, including Fibromyalgia, warrants the need for tools to monitor the impact of the disease as well as the efficacy of interventions. The Revised Fibromyalgia Impact Questionnaire (FIQR) has previously proved to be a valuable tool in both clinical and research settings. The study objective was to translate and validate the FIQR in Danish.Patients and Methods: A forward/backward translation, following the WHO-guidelines, was used to develop the Danish version of FIQR. The Danish translation of FIQR was answered by 101 patients suffering from fibromyalgia. The patients simultaneously answered the Hospital Anxiety and Depression Scale (HADS) and the 36-Item Short-Form Health Survey (SF-36) for validation.Results: The Danish FIQR showed excellent internal consistency, and reliability with Interclass Correlation Coefficients above 0.9. The correlations to HADS and SF-36 ranged from fair to very good. All results were found to have a p-value < 0.05.Conclusion: The present version of the Danish FIQR presents a valid and reliable tool for monitoring the impact of fibromyalgia.Keywords: fibromyalgia, questionnaire, chronic pain, evaluation, validation, translation |
