Number of patients in each diagnostic category
| Primary vasculitis (n=97) | |
|---|---|
| Giant cell arteritis | 14 |
| Takayasu arteritis | 1 |
| Polyarteritis nodosa | 2 |
| Kawasaki disease | 0 |
| Wegener's granulomatosis | 27 |
| Churg-Strauss syndrome | 2 |
| Microscopic polyangiitis | 12 |
| Henoch-Schönlein purpura | 2 |
| Essential cryoglobulinaemic vasculitis | 0 |
| Cutaneous leucocytoclastic angiitis | 37 |
| Secondary vasculitis (n=21) | |
| Rheumatoid arthritis | 7 |
| Systemic lupus erythematosus | 5 |
| Sjögrens syndrome | 4 |
| Waldenstroms macroglobulinaemia | 1 |
| Hepatitis C viraemia | 4 |