Table 1.

Clinical characteristics (n = 50).

Characteristicsn (%) or Mean ± SD
Age, yrs31 ± 5.2
Body mass index, kg/m228.2 ± 5.6
Diagnosis
  SLE28 (56)
  RA or JIA7 (14)
  Undifferentiated CTD5 (10)
  Other*10 (20)
Race
  White32 (64)
  Black/African American16 (32)
  Other2 (4)
Corticosteroids
  Use, concomitant14 (28)
  Average dose, mg16.7 ± 11
  Maximum dose, mg21.3 ± 19
AZA use, concomitant9 (18)
Disease activity
  SLE PGA (0–3 cm)0.5 ± 0.6
  Non-SLE PGA (0–100 mm)11.9 ± 12.7
  • Categorical variables listed as n (%); continuous variables listed as mean ± SD.

  • * Other diagnoses included antiphospholipid antibody syndrome (n = 1), autoimmune hepatitis (n = 1), cutaneous SLE (n = 2), psoriatic arthritis (n = 1), SSc (n = 1), Sjögren syndrome (n = 3), and positive ANA/Ro (n = 1). SLE: systemic lupus erythematosus; RA: rheumatoid arthritis; JIA: juvenile idiopathic arthritis; CTD: connective tissue disease; AZA: azathioprine; PGA: physician’s global assessment; ANA: antinuclear antibody; SSc: systemic sclerosis.