ArticleArquivos de neuro-psiquiatria2025
The impact of changing diagnostic criteria on disability in a Brazilian multiple sclerosis cohort.
Article in Arquivos de neuro-psiquiatria, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Estimated prevalence and distribution of causes of immune-mediated hypertrophic pachymeningitis in São Paulo, Brazil.Clinical rheumatology · 2026Article
- Global and Regional Trends in Multiple Sclerosis Incidence with Projections to 2030: A Joinpoint Regression Analysis of the GBD Data 2021 by Socio-Demographic Index and WHO Regions.Annals of global health · 2026Article
- Rewriting the prognosis of multiple sclerosis in Brazil: a 25-year perspective on evolving diagnostic criteria.Arquivos de neuro-psiquiatria · 2025Article
- Rewriting the prognosis of multiple sclerosis in Brazil: a 25-year perspective on evolving diagnostic criteria.Arquivos de neuro-psiquiatria · 2025Article
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Authors and funding
11 authors.
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Abstract
Updating multiple sclerosis (MS) diagnostic criteria over recent decades may have impacted disability progression.To assess the effects of the passage of time and changes in diagnostic criteria on disability.A retrospective study of Brazilian people with relapsing-remitting MS from 1994 to 2019. Descriptive analysis compared three periods based on admission: Epoch 1 (1994-2001), 2 (2002-2010), and 3 (2011-2019). Cox regressions were performed for the outcomes of the expanded disability status scale (EDSS) 6.0 and conversion to secondary progressive MS (SPMS). We compared the three Epochs in sequence, the Poser with all McDonald criteria combined, and Poser versus each McDonald criteria (2001, 2005, 2010, and 2017). A multivariate logistic regression assessed the impact of diagnostic criteria on patients reaching EDSS 6.0.Time to diagnosis and treatment decreased across Epochs. For reaching EDSS 6.0, the Cox regression indicated a hazard ratio (HR) 63% lower for Epoch 3 compared with 1, an HR 50% lower for the McDonald criteria combined, and an HR 65% lower for McDonald 2010 compared with Poser. Regarding the conversion to SPMS, the HR was 53% lower for Epoch 3, 48% lower for the McDonald criteria combined, and 64% lower for McDonald 2010. The multivariate logistic regression demonstrated that incomplete recovery of initial symptoms was the main prognostic factor for reaching EDSS 6.0. However, transitioning diagnostic criteria from Poser to McDonald 2001 and 2005 decreased these odds by 54%.Newer diagnostic criteria have reduced the likelihood of reaching EDSS 6.0 and converting to SPMS over the past 25 years.
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