Subject characteristics
| Characteristics | Patients |
| Subjects | 14 |
| Sex | |
| Male | 3 (21%) |
| Female | 11 (79%) |
| Age at presentation years | |
| <1 | 1 (7%) |
| 2–9 | 10 (71%) |
| 10–12 | 3 (21%) |
| Disease manifestations | |
| Lung disease | |
| Diffuse alveolar haemorrhage | 7 (50%) |
| DPLD | 14 (100%) |
| Arthritis | 14 (100%) |
| Renal disease | 3 (21%) |
DPLD: diffuse parenchymal lung disease.