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Table 1 Characteristics of included SLE patients and HCs

From: Microparticles from patients with systemic lupus erythematosus induce production of reactive oxygen species and degranulation of polymorphonuclear leukocytes

  Fresh cells, serum and MPs Frozen serum and MPs
SLE patients 20 28
 Age, median (range) 45 (22–64) 42 (22–69)
 Sex, number (%) of females 17 (85) 24 (86)
 Disease manifestations at study inclusion, number (%) of patients
  Renal disease 2 (10) 8 (29)
  Vasculitis 2 (10) 3 (11)
  Arthritis 2 (10) 3 (11)
  Interstitial lung disease 1 (5) 0 (0)
  Haemolysis 1 (5) 1 (4)
  Alopecia 3 (15) 1 (4)
  Rash 2 (10) 3 (11)
  Mucosal ulcers 3 (15) 3 (11)
  Leucopenia 1 (5) 1 (4)
  Serositis 0 (0) 1 (4)
  Thrombocytopenia 0 (0) 1 (4)
 SLEDAI, median (range) 4 (0–12) 5 (0–18)
HCs 10 11
 Age, median (range) 33.5 (25–63) 34 (24–54)
 Sex, number (%) of females 6 (60) 9 (82)
  1. HC healthy control, SLE systemic lupus erythematosus, SLEDAI Systemic Lupus Erythematosus Disease Activity Index