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Clinical characteristics of the study population
| Age (mean±SD) | 41±16 years |
| Body mass index (mean±SD) | 31±8 kg/m2 |
| Disease duration (mean±SD) | 9±10 years |
| Ethnicity (%) | |
| African–American | 75 |
| Hispanic | 10 |
| White | 5 |
| Asian | 5 |
| Jaccoud’s | 15 |
| SLE disease activity (%) | |
| Mucocutaneous | 80 |
| Haematological | 45 |
| Serositis | 40 |
| Renal | 10 |
Jaccoud’s is defined as a reducible deformity.
