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Comparison of SLE cases and controls.
| Characteristics | SLE cases (n = 789) | Controls (n = 2261) | p value |
|---|---|---|---|
|
| |||
| Current mean age ± standard deviation | 56.2 ± 16.9 | 55.0 ± 17.3 | 0.08 |
| Sex | |||
| Female (%) | 89% | 90% | 0.56 |
| Male (%) | 11% | 10% | |
| Race | |||
| White (%) | 78% | 61% | < 0.001 |
| Black (%) | 17% | 34% | |
| Asian (%) | 2% | 2% | |
| Other (%) | 3% | 3% | |
| Ethnicity | |||
| Hispanic (%) | 2% | 2% | 0.65 |
