| Tromso/million (95% CI) | Norwich/million (95% CI) | Lugo/million (95% CI) | |
|---|---|---|---|
| WG | 10.5 (7.6–14.2) | 10.6 (7.8–14.0) | 4.9 (2.4–8.8) |
| CSS | 0.5 (0.1–1.8) | 3.1 (1.7–5.2) | 0.9 (0.1–3.2) |
| MPA | 2.7 (1.3–4.8) | 8.4 (5.9–11.5) | 11.6 (7.6–17.0) |
| PAN | 4.4 (2.6–7.0) | 9.7 (7.0–13.0) | 6.2 (3.4–10.5) |
| Total | 13.7 (10.3–17.8) | 18.9 (15.1–23.4) | 18.3 (13.1–24.8) |
Incidence of vasculitis in 3 areas of Europe.