Fibromyalgia Diagnostic Questionnaire Tested for Accuracy in Recent Study

Fibromyalgia Diagnostic Questionnaire Tested for Accuracy in Recent Study
A recent study, published in the journal Rheumatology, suggests that the Fibromyalgia Rapid Screening Tool (FiRST) questionnaire may help rheumatologists in everyday practice, and be particularly useful for patients at risk of treatment failure. The test is used to potentially exclude or include fibromyalgia (FM) diagnoses in people with rheumatic disease. In the study “Performance of Fibromyalgia Rapid Screening Tool (FiRST) to detect fibromyalgia syndrome in rheumatic diseases," researchers compared FiRST results to diagnoses made using standard rheumatology criteria. Previous studies reported the occurrence of overlapping symptoms between inflammatory rheumatic diseases and FM, which could interfere with correct diagnosis and lead to unjustified therapeutic intensification, especially for patients with spondyloarthritis (a type of arthritis that attacks mainly the spine but can also affect joints of the arms and legs). The researchers evaluated the performance of the FiRST questionnaire for detecting naturally occurring FM in patients with inflammatory rheumatic disease. In total, 605 patients performed the FiRST questionnaire, including 279 with rheumatoid arthritis (RA), 271 with spondyloarthrosis (SpA), and 57 patients with connective tissue diseases (CTD). When compared to the American College of Rheumatology's (ACR) 1990 criteria, FiRST showed good performance in detecting FM associated with rheumatic disease: 74.5% of sensitivity and 80.4% specificity. The positive and negative predictive values registered
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