ArticleScientific reports2025
Red blood cell distribution width to albumin ratio is associated with osteoarthritis prevalence among US adults with diabetes using data from NHANES 2005 to 2018.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Red blood cell distribution width-to-albumin ratio and osteoarthritis: A cross-sectional and cohort study.The Journal of international medical research · 2026Article
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Authors and funding
7 authors.
Funding
Abstract
The aim of this study was to assess the relationship between red cell distribution width and albumin ratio (RAR) inflammatory markers and prevalence of osteoarthritis in a diabetic population by analyzing data from the National Health and Nutrition Examination Survey (NHANES). Using data from 2005 to 2018, using multivariate logistic regression, generalized additive models, and smooth curve fitting, we investigated the connection between RAR and osteoarthritis in diabetic individuals. Robustness checks included subgroup analyses. A total of 2698 participants were included in this study, in which the prevalence of osteoarthritis was 24.20%. After controlling for variables, multivariate logistic regression analysis revealed a significant and positive correlation between RAR levels and the prevalence of osteoarthritis (OR = 1.52, 95% CI: 1.24, 1.88). Smoothing curve analysis showed a significant nonlinear relationship between RAR levels and the prevalence of osteoarthritis (log likelihood ratio test P < 0.05). Threshold effect analysis showed an inflection point of 3.69 for RAR, and to the left of the inflection point, the OR for prevalence of osteoarthritis was 2.61 (95% CI: 1.77, 3.83) for each unit increase in RAR; interaction analyses showed that the variables did not have a significant effect on this relationship (p > 0.05 for all interactions). Elevated RAR is associated with an increased prevalence of osteoarthritis in diabetic patients. This study supports the hypothesis of an association between RAR and osteoarthritis in the U.S. diabetic population, and diabetic individuals with elevated RAR levels should be particularly aware of their increased risk of developing osteoarthritis.
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