Organ system involvement of anti-PR3 positive patients (n=37)
| No (%)1-150 | |
| Lung | 18 (49) |
| Kidney | 16 (43) |
| Upper respiratory tract | 8 (22) |
| Skin | 7 (19) |
| Gastrointestinal tract | 5 (14) |
| Neurological system | 4 (11) |
| Joints | 4 (11) |
| Eye | 3 (8) |
| (Unexplained fever) | 3 (8) |
↵1-150 Some patients had more than one system/organ involved.