ArticleRheumatology (Oxford, England)2025
Association of patient- and hospital-level predictors with patterns of initial treatment in patients with rheumatoid arthritis: findings from a national cohort study.
Article in Rheumatology (Oxford, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesTo update the first-line conventional synthetic DMARDs (csDMARDs) prescribing pattern, describe change and variation across demographical and geographical factors in the RA population, and identify individual and hospital factors associated with it.
methodsThis retrospective cohort study included newly diagnosed RA adult patients from 1 May 2018 to 1 April 2023 in the UK. We used adjusted multinomial logistic regression with random effect to explore associations with different first-line csDMRAD prescription and to account for hospital-level clustering.
resultsWe identified 15 462 RA patients who received csDMARD treatment. Overall, 57% received MTX monotherapy and 14% received MTX combination therapy as first-line treatment. MTX is the most frequently medication, following by HCQ and SSZ. Compared with non-MTX prescription, prescription of MTX monotherapy [adjusted odds ratio (aOR) 1.25 95% CI (1.22-1.29)] and MTX combination therapy [aOR 1.45 (1.38-1.52)] was significantly higher in patients with higher DAS28, but lower in the non-White individuals with comorbidities: lung disease, cancer, fracture and heart attack. Among those who received MTX, monotherapy is more likely be prescribed in patients with higher DAS28 [aOR 1.08 (1.05-1.11)] and without lung disease [aOR 0.5 (0.44-0.56)], compared with combination therapy. Around 20% of the variability in first-line csDMARD prescribing was attributed to the hospital level.
conclusionIn this cohort study of new-onset RA population, both individual- and institution-level variation in first-line csDMARD treatment strategy was evident. Gender, ethnicity, disease activity, and comorbidities, especially lung disease, were associated with disparities at the individual level.
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