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Is seronegative rheumatoid arthritis true rheumatoid arthritis? A nationwide cohort study

OBJECTIVES: The classification of seronegative arthritides can be challenging. Our aim was to examine the incidence of SpA diagnosis among patients initially diagnosed as seronegative RA. METHODS: Using nationwide Finnish registers from social insurance institutions, we identified all adult patients...

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Detalles Bibliográficos
Autores principales: Paalanen, Kirsi, Puolakka, Kari, Nikiphorou, Elena, Hannonen, Pekka, Sokka, Tuulikki
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8121445/
https://www.ncbi.nlm.nih.gov/pubmed/33175968
http://dx.doi.org/10.1093/rheumatology/keaa623