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Table 1 Characteristics of patients and healthy subjects

From: Circulating DNA in rheumatoid arthritis: pathological changes and association with clinically used serological markers

  RA subgroup 1 RA subgroup 2 HS
Number of subjects 74 14 63
Sex, female, n (%) 65 (88%) 12 (85%) 52 (82%)
Age, years, median (range) 54.7 (16–76) 49.3 (34–63) 51.2 (23–74)
DAS28, median (range) 5.5 (3.5–7.02) 3.2 (2.7–3.5)
Number of subjects with classes I–II DAS28/class III DAS28 28/46 14/0
Number of subjects with recent-onset/established/end-stage RA 5/44/25 0/14/0
  1. DAS28 28-joint Disease Activity Score, RA Rheumatoid arthritis, HS Healthy subjects
  2. See Methods for descriptions of RA subgroups 1 and 2