ArticleArthritis research & therapy2021
Risk of rheumatoid arthritis diagnosis in statin users in a large nationwide US study.
Article in Arthritis research & therapy, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Does the use of statins alter the risk of rheumatoid arthritis? A systematic review and meta-analysis.PloS one · 2024Pooled it
- Trial
- Environmental and Lifestyle Factors in the Risk and Prevention of Rheumatoid Arthritis: A Narrative Review.Cureus · 2025Review
- Article
- Rheumatoid arthritis study of the Egyptian College of Rheumatology (ECR): nationwide presentation and worldwide stance.Rheumatology international · 2023Article
- Incident Rheumatoid Arthritis Following Statin Use: From the View of a National Cohort Study in Korea.Journal of personalized medicine · 2022Article
- A Roadmap for Investigating Preclinical Autoimmunity Using Patient-Oriented and Epidemiologic Study Designs: Example of Rheumatoid Arthritis.Frontiers in immunology · 2022Review
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
objectiveTo evaluate the association between statin use and the risk of developing rheumatoid arthritis (RA) in a large, US case-control study.
methodsUsing the OptumLabs Data Warehouse, RA cases were identified as patients aged ≥18 years with ≥2 RA diagnoses between January 1, 2010 and June 30, 2019 and ≥1 prescription fills for methotrexate within 1 year of the first RA diagnosis. The first RA diagnosis was the index date. Cases were matched 1:1 to controls on age, sex, region, year of index date, and length of baseline coverage. Statin users were defined by having ≥2 statin prescription fills at least 90 days pre-index. Patients identified as statin users were further classified by statin user status (current or former), statin use duration, and intensity of statin exposure. Odds ratios for RA risk with statin use were estimated using logistic regression.
results16,363 RA cases and 16,363 matched controls were identified. Among RA cases, 5509 (33.7%) patients were statin users compared to 5164 (31.6%) of the controls. Statin users had a slightly increased risk of RA compared to non-users (OR 1.12, 95% CI 1.06-1.18), and former statin users had an increased RA risk compared to current users (OR 1.21, 95% CI 1.13-1.28). However, risk was eliminated following adjustment for hyperlipidemia. The risk estimates for statin use duration and intensity did not reach significance.
conclusionThis study demonstrates no significant increase in the risk of developing RA for statin users compared to non-users after adjustment for hyperlipidemia in addition to other relevant confounders. However, more information from prospective studies would be necessary to further understand this relationship.
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