ArticleAnnals of Saudi medicine
Rheumatoid arthritis activity scores in patients with and without fibromyalgia syndrome.
Article in Annals of Saudi medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed, 11 citations in OpenAlex.
- Review
- Central Sensitization and Nociplastic Pain: Shared Mechanisms in Fibromyalgia, Osteoarthritis, and Inflammatory Arthritis.Journal of pain research · 2026Review
- Rheumatoid Arthritis and Fibromyalgia Syndrome: A Bibliometric and Bioinformatics Perspective on Comorbidity Research.Journal of multidisciplinary healthcare · 2025Article
- Review
Corrections and comments
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFibromyalgia syndrome (FM) is a systemic disease of unknown etiology, which can cause widespread musculoskeletal pain. In patients with rheumatoid arthritis (RA), FM can cause an additional symptom burden, which can affect some variables on the RA disease activity score 28 (DAS28), a tool that evaluates 28 joints in RA patients.
objectiveCompare the results of four different versions of the DAS28 and the parameters used to determine disease activity scores in RA patients with and without FM, and determine whether there are treatment differences between RA patients with and without FM.
designRetrospective, cross-sectional.
settingTertiary hospital. PATIENTS AND
methodsWe identified patients diagnosed with RA between 1 September 2016 and 1 February 2020 and identified patients with and without FM.
main outcome measuresDifferences between variables in the DAS28 calculations (tender joint count [TJC], patient global assessment [PGA], and others), between patients with and without FM, and differences between patients with and without FM who were using or not using biological agents. SAMPLE SIZE: 381, including 322 females (84.5%).
resultsThe frequency of FM in RA patients was 25.7% (89 females, 24.6%). In RA patients with FM, the TJC and PGA median values were significantly higher than in patients without FM (
conclusionThe presence of FM in RA patients may affect the subjective variables in different versions of DAS28 scores, causing the disease activity to score higher on the instrument, erroneously indicating worse disease than is actually present. LIMITATIONS: A single center, retrospective study. CONFLICTS OF INTEREST: None.
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