Baseline demographic and clinical characteristics of participants.
| Characteristics | SLE | Healthy |
|---|---|---|
| n | 10 | 10 |
| % female | 100 | 100 |
| Age, yrs, mean (SD) | 60.5 (5.4)* | 55.3 (4.2) |
| White, n | 7 | 7 |
| African American, n | 3 | 3 |
| History of shingles, n | 4 | 2 |
| Taking prednisone, n | 4 | 0 |
| Mean daily dose, mg | 6.9 | — |
| Taking HCQ, n | 7 | 0 |
| Taking MTx, n | 2 | 0 |
| Baseline SLEDAI, median (range) | 0 (0–2) | — |
↵* p < 0.05 compared to healthy subjects. HCQ: hydroxychloroquine; MTX: methotrexate; SLE: systemic lupus erythematosus; SLEDAI: SLE Disease Activity Index.