Clinical characteristics for SLE cases
| Characteristics | SLE cases (N=929) |
|---|---|
| Age in 2009, mean (SD) (years) | 50.8 (16.0) |
| Age at SLE diagnosis, mean (SD) (years) | 34.3 (15.0) |
| Female, N (%) | 819 (88.2) |
| ACR criteria, N (%) | |
| Malar rash | 519 (55.9) |
| Discoid rash | 217 (23.4) |
| Photosensitivity | 610 (65.7) |
| Oral ulcer | 249 (26.8) |
| Arthritis | 734 (79.0) |
| Serositis | 386 (41.6) |
| Renal disorder | 312 (33.6) |
| Neurological disorder | 83 (8.9) |
| Haematological disorder | 588 (63.3) |
| Immunological disorder | 628 (67.6) |
| ANA positive, N (%) | 912 (98.2) |
| Total ACR Criteria, mean (SD) | 5.6 (1.4) |
ACR, American College of Rheumatology; ANA, antinuclear antibodies; SLE, systemic lupus erythematosus.