Table 1 Socio-demographic and clinical characteristics of patients included in the study
Patient characteristics | Minimal (n = 43) | Type 1 (n = 12) | Type 2 (n = 31) | Mixed (n = 34) | p value |
|---|---|---|---|---|---|
Socio-demographics, N (%) | Â | Â | Â | Â | Â |
 Black | 24 (56%) | 11 (92%) | 14 (45%) | 19 (56%) | 0.04 |
 Female | 42 (98%) | 11 (92%) | 31 (100%) | 30 (88%) | 0.08 |
 Medically disabled | 10 (23%) | 4 (33%) | 14 (45%) | 19 (56%) | 0.03 |
 Employed | 23 (53%) | 6 (55%) | 13 (43%) | 13 (35%) | 0.4 |
 Medicaid insurance | 3 (7%) | 4 (33%) | 7 (23%) | 7 (21%) | 0.07 |
 Married | 23 (53%) | 3 (25%) | 14 (45%) | 14 (41%) | 0.3 |
 ≥ College education | 27 (63%) | 5 (45%) | 16 (52%) | 16 (47%) | 0.5 |
Clinical factors, median (IQR) | Â | Â | Â | Â | Â |
 Age | 44 (34–52) | 35 (29–46) | 46 (35–57) | 41 (33–50) | 0.3 |
 Years since diagnosis | 15 (7–22) | 16 (12–28) | 15 (8–21) | 14 (9–20) | 0.6 |
Measures of Type 1 SLE activity, median (IQR) | Â | Â | Â | Â | Â |
 SLEDAI | 0 (0–2) | 7 (5–10) | 0 (0–2) | 6 (4–8) | < 0.0001 |
 Clinical SLEDAI | 0 (0–0) | 3 (0–4) | 0 (0–0) | 4 (2–6) | < 0.0001 |
 Type 1 PGA | 0 (0–0.2) | 1 (0.5–1.5) | 0 (0–0.5) | 1 (0.5–1.5) | < 0.0001 |
 Active nephritis | 0 (0%) | 5 (42%) | 0 (0%) | 8 (23%) | < 0.0001 |
Measures of Type 2 SLE activity, median (IQR) | Â | Â | Â | Â | Â |
 PSD score | 4 (1–5) | 5 (2–6) | 10 (8–14) | 11 (8–18) | < 0.0001 |
 Type 2 PGA | 0 (0–0.2) | 0 (0–0.5) | 1 (0.5–2) | 1 (1–2) | < 0.0001 |
 Fulfilled FM criteria | 0% | 0% | 13% | 35% | < 0.0001 |