Association of rheumatoid factor with vasculitic manifestations and distinct clinical patterns in eosinophilic granulomatosis with polyangiitis: a multicenter observational study.

Abstract excerpt

Eosinophilic granulomatosis with polyangiitis (EGPA) is a heterogeneous disease characterized by overlapping eosinophilic and vasculitic manifestations, and reliable markers reflecting disease phenotype and prognosis remain limited. In this study, we aimed to evaluate the clinical and prognostic significance of rheumatoid factor (RF) positivity in patients with EGPA and to explore phenotypic patterns using...

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• Aged
• Biomarkers
• C-Reactive Protein
• Cluster Analysis
• Phenotype