Undifferentiated arthritis (UA) was redefined by the introduction of the 2010 rheumatoid arthritis (RA) classification criteria. But UA is more than just not having RA — it is about selecting the right patients for DMARD treatment even before diagnosis, and about protecting those with self-limiting disease from potential drug toxicity.
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Aletaha, D. The undifferentiated arthritis dilemma: the story continues. Nat Rev Rheumatol 18, 189–190 (2022). https://doi.org/10.1038/s41584-022-00762-y
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DOI: https://doi.org/10.1038/s41584-022-00762-y
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Rheumatoid arthritis epidemiology: a nationwide study in Poland
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