Demographic characteristics of 242 patients with systemic lupus erythematosus
| Age (years), median (range) | 39.9 (18 to 80) |
| Female sex (%) | 231 (95.5) |
| Race (%) | |
| White | 153 (63.2) |
| Afro-Caribbean | 40 (16.5) |
| Asian | 37 (15.3) |
| Others | 12 (5.0) |
| Disease duration (years), median (range) | 7 (0 to 42) |
| Body mass index (%) | |
| Underweight (<18.5) | 9 (3.7) |
| Normal (18.5 to 24.9) | 107 (44.2) |
| Overweight (⩾25.0) | 126 (52.1) |