Baseline (=time at cohort entry) demographics and disease characteristics of patients included in the SLE cohort
| Demographics and other characteristics | N patients with available data | |
|---|---|---|
| Age at baseline, years | 35 (10–89) | 1884 |
| Disease duration, years | 2 (0–48) | 1884 |
| SLEDAI at baseline | 2 (0–31) | 1886 |
| M-SLEDAI at baseline | 1 (0–27) | 1886 |
| PGA at baseline | 0.5 (0–3) | 1882 |
| Female sex, n (%) | 1744 (92.5) | 1886 |
| Race | ||
| African-American, n (%) | 727 (38.5) | 1886 |
| Caucasian, n (%) | 1019 (54) | 1886 |
| Other, n (%) | 140 (7.4) | 1886 |
| Education, years | 14 (0–28) | 1847 |
| Smoking at baseline | 285 (15.2) | 1886 |
M-SLEDAI, modified SLE Disease Activity Index; PGA, Physician Global Assessment; SLEDAI, SLE Disease Activity Index.