Vasculitis & polymyalgia rheumatica
Reclassification of previously diagnosed granulomatosis with polyangiitis (GPA) patients using the 2022 ACR/EULAR classification criteria
Authors' conclusion
The concordance rate between the 2022 ACR/EULAR criteria for GPA and the previous criteria in patients with previously diagnosed GPA was 73.8%.
Study context
- Population
- Korean patients with previously diagnosed GPA meeting the 2012 revised CHCC nomenclature and the 2007 European Medicines Agency algorithm for GPA
- Participants
- 65 patients
- Outcome
- Number of patients reclassified as having GPA using the 2022 ACR/EULAR criteria
Main finding
As reported in the abstract
Reclassified as GPA by 2022 ACR/EULAR criteria
Reclassified as GPA
48
73.8%
Observational data: associations, not effects.
Further findings
Patients not reclassified as GPA (n=17)
- Reclassified as MPA
- 16
- Reclassified as unclassifiable vasculitis
- 1
- MPO-ANCA (or P-ANCA) positive
- 94.1%
Original publication
Reclassification of previously diagnosed GPA patients using the 2022 ACR/EULAR classification criteria. Rheumatology (Oxford). Published 4 May 2022. doi:10.
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