Table 1.

Demographics of antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis patients enrolled in this study.

	Microscopic polyangiitis (n = 41)	Granulomatosis with polyangiitis (n = 5)	Eosinophilic granulomatosis with polyangiitis (n = 19)
Age, years, mean (SD)	69.5 (11.0)	47.8 (6.10)	54.6 (12.6)
Female, n (%)	24 (58.5%)	5 (100%)	13 (68.4%)
Myeloperoxidase–ANCA positive, n (%)	27 (65.9%)	0 (0%)	7 (36.8%)
CRP, mg/dL, mean (SD)	7.69 (5.63)	6.71 (3.94)	3.20 (4.19)
Birmingham Vasculitis Activity Score, mean (SD)	13.9 (8.03)	17.7 (9.12)	17.6 (11.4)