Article
Differences in the symptomatic phase preceding ACPA-positive and ACPA-negative RA: a longitudinal study in arthralgia during progression to clinical arthritis.
Annals of the rheumatic diseases - 1 Oct 2017
Burgers Leonie E, van Steenbergen Hanna W, Ten Brinck Robin M, Huizinga Tom Wj, van der Helm-van Mil Annette Hm
Abstract excerpt
OBJECTIVE: Although anticitrullinated protein antibody (ACPA)-positive and ACPA-negative rheumatoid arthritis (RA) have different aetiopathology, the clinical presentation at the time of diagnosis is similar. This study evaluated whether there are phenotypic differences in the symptomatic pre-RA phase. METHODS: Patients with arthralgia included in the Leiden clinically suspect arthralgia cohort who developed...
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