Introduction
Methods
Human study and data collection
Study approval
ANCA determination and statistical analysis
Results
Anti-MPO-positive antibodies
Group | Disease | Number (n) | Frequency (%) |
---|---|---|---|
Vasculitis (n = 77) | Microscopic polyangiitis | 34 | 33.7 |
Pauci-immune glomerulonephritis | 13 | 12.9 | |
Unclassified vasculitis | 11 | 10.9 | |
Granulomatosis with polyangiitis | 10 | 9.9 | |
Eosinophilic granulomatosis with polyangiitis | 9 | 8.9 | |
No vasculitis (n = 24) | Neoplasm | 5 | 4.9 |
Ulcerative colitis | 4 | 3.9 | |
Infection | 3 | 2.9 | |
Rheumatoid arthritis | 2 | 1.9 | |
Intestinal ischemia | 2 | 1.9 | |
Chron’s disease | 1 | 0.9 | |
Sjogren’s syndrome | 1 | 0.9 | |
Autoimmune hepatitis | 1 | 0.9 | |
Psoriasis | 1 | 0.9 | |
Lung fibrosis | 1 | 0.9 | |
Pleural effusion | 1 | 0.9 | |
Silicosis | 1 | 0.9 | |
Pachymeningitis | 1 | 0.9 |
Anti-PR3-positive antibodies
Group | Disease | Number (n) | Frequency (%) |
---|---|---|---|
Vasculitis (n = 44) | Granulomatosis with polyangeiitis | 33 | 61.1 |
Drug-induced vasculitis | 5 | 9.2 | |
Pauci-immune glomerulonephritis | 2 | 3.7 | |
Microscopic polyangeiitis | 2 | 3.7 | |
Large vessel vasculitis | 1 | 1.9 | |
Unclassified vasculitis | 1 | 1.9 | |
No vasculitis (n = 10) | Ulcerative colitis | 6 | 11.1 |
Chron’s disease | 1 | 1.9 | |
Infection | 1 | 1.9 | |
Diffuse interstitial lung disease | 1 | 1.9 | |
Hypereosinophil syndrome | 1 | 1.9 |