Characteristic | n |
---|---|
Age, yrs, ± SD | 51.4 ± 15.4 |
Male/female | 16/15 |
Diagnosis | |
GPA (%) | 29 (93.5) |
MPA (%) | 1 (3.2) |
EGPA (%) | 1 (3.2) |
ANCA subtype | |
MPO-ANCA (%) | 7 (22.6) |
PR3-ANCA (%) | 24 (77.4) |
Disease duration, yrs (range) | 6.6 (3.1–9.0) |
Immunosuppressive medication† | |
None (%) | 8 (25.8) |
Prednisone with azathioprine (%) | 8 (25.8) |
Azathioprine alone (%) | 2 (6.4) |
MMF (%) | 2 (6.4) |
Prednisone with MMF (%) | 3 (9.7) |
Prednisone with methotrexate (%) | 5 (16.1) |
Prednisone alone (%) | 3 (9.7) |
VTE before study (%) | 5 (16.1) |
Anticoagulant use (%) | 4 (12.9) |
C-reactive protein, mg/l, (range) | 3.9 (2.7–7.6) |
D-dimers, ng/ml (range) | 291 (180–463) |
BVAS | 0 |
Serum creatinine, μmol/l (range) | 84 (71–97) |
Leukocyte counts, cells × 109/l (range) | 6.3 (5.4–7.9) |
Platelet counts, cells × 109/l (range) | 274 (206–309) |
IgG anti-CMV antibodies present (%) | 18 (58.1) |
↵† Median amount of prednisone use daily was 5 mg (range 2 mg to 17.5 mg). GPA: granulomatous polyangiitis; MPA: microscopic polyangiitis; EGPA: eosinophilic granulomatosis with polyangiitis; MPO: myeloperoxidase; PR3: proteinase-3; MMF: mycophenolate mofetil; VTE: venous thromboembolism; BVAS: Birmingham Vasculitis Activity Score; CMV: cytomegalovirus; HDL: high-density lipoprotein; LDL: low-density lipoprotein; Ig: immunoglobulin.