| Healthy controls N = 50 | Full SLE/MCTD Cohort N = 50 | Utilization SLE/MCTD Cohort N = 42 |
---|---|---|---|
Age in years, median (IQR) | 13.4 (11.4,15.2) | 16.5 (13.0,17.9) | 16.9 (13.0,18.0) |
Female, N (%) | 30 (60) | 43 (86) | 38 (90) |
Race/Ethnicity, N (%) | Â | Â | Â |
  Black | 26 (52) | 18 (36) | 15 (36) |
  White | 13 (26) | 23 (46) | 21 (50) |
  Other | 11 (22) | 9 (18) | 6 (14) |
Highest Household Education, N (%) | Â | Â | Â |
  Less than college | 12 (24) | 9 (18) | 8 (19) |
  College and above | 38 (76) | 41 (82) | 34 (81) |
Annual Household Income | Â | Â | Â |
  <$40000 | 12 (24) | 10 (20) | 7 (17) |
  $40000 and above | 34 (68) | 30 (60) | 25 (60) |
  Prefer not answer | 4 (8) | 10 (20) | 10 (24) |
Insurance (N,%) | - | Â | Â |
  Medicaid |  | 20 (40) | 17 (40) |
  Private |  | 30 (60) | 25 (60) |
PRQL, median (IQR) | 2.5 (1,5) | 1 (0, 4) | 1 (0,4) |
Diagnosis, N (%) | - | Â | Â |
  SLE |  | 43 (86) | 37 (88) |
  MCTD |  | 7 (14) | 5 (12) |
Disease Duration in months, median (IQR) | - | 23 (11,50) | 35 (16, 57) |
Disease Manifestations, N (%) | - | Â | Â |
  Cytopenia |  | 42 (84) | 37 (88) |
  Arthritis |  | 37 (74) | 30 (71) |
  Rash |  | 21 (42) | 21 (50) |
  Nephritis |  | 6 (12) | 4 (10) |
  Serositis |  | 6 (12) | 6 (14) |
  CNS disease |  | 3 (6) | 3 (7) |
  APS (lab only) |  | 7 (14) | 7 (17) |
  APS (lab and clinical) |  | 3 (6) | 3 (7) |
Medications/Treatments, N (%) | - | Â | Â |
  Hydroxychloroquine |  | 49 (98) | 41 (98) |
  Methotrexate |  | 11 (22) | 9 (21) |
  Mycophenolate Mofetil |  | 25 (50) | 20 (48) |
  Azathioprine |  | 2 (4) | 2 (5) |
  Glucocorticoids* |  |  |  |
    None |  | 16 (32) | 15 (36) |
    Low-dose |  | 28 (56) | 25 (59) |
    High-dose |  | 6 (12) | 2 (5) |
  Aspirin |  | 19 (38) | 17 (40) |
  History of rituximab |  | 7 (14) | 7 (17) |
  History of cyclophosphamide |  | 8 (16) | 7 (17) |
  History of dialysis |  | 1 (2) | 0 (0) |
Baseline SLEDAI**, median (IQR) | - | 2 (0, 4) | 2 (0, 4) |
SLEDAI in past year**, median (IQR) | - | 2 (0, 4) | 2 (0, 4) |
Baseline PGA**, median (IQR) | - | 0 (0, 1) | 0 (0,1) |
PGA in past year, median (IQR) | - | 0.5 (0, 1.5) | 0.5 (0,1) |
Pain Score**, median (IQR) | - | 0 (0, 0) | 0 (0,0) |
CHAQ Score**, median (IQR) | - | 0 (0, 0) | 0 (0,0) |