Cumulative incidence at 30 year follow up of extra-articular disease manifestations
| Extra-articular manifestation | Number of patients | 30 Year cumulative incidence (SE (%)) |
|---|---|---|
| Pericarditis | 21 | 5.4 (2.6) |
| Pleuritis | 21 | 5.2 (2.4) |
| Felty’s syndrome | 9 | 1.6 (0.8) |
| Major cutaneous vasculitis | 19 | 3.6 (1.5) |
| Neuropathy | 11 | 2.2 (1.0) |
| Scleritis | 4 | 0.8 (0.6) |
| Episcleritis | 5 | 1.0 (0.4) |
| Retinal vasculitis | 0 | 0.0 |
| Glomerulonephritis | 4 | 1.1 (1.5) |
| Other vasculitis | 1 | 0.2 (0.2) |
| Amyloidosis | 3 | 0.7 (0.9) |
| Keratoconjunctivitis sicca | 61 | 11.6 (2.3) |
| Xerostomia | 4 | 0.7 (0.5) |
| Sjögren’s syndrome | 58 | 11.4 (2.6) |
| Pulmonary fibrosis | 34 | 6.8 (1.9) |
| Bronchiolitis obliterans | 4 | 0.5 (0.8) |
| Cervical myelopathy | 12 | 2.4 (1.2) |
| Subcutaneous nodules | 172 | 34.0 (3.4) |
| Other nodules | 0 | 0.0 |
| Any | 247 | 46.0 (3.4) |
| Malmö | 78 | 16.7 (3.2) |