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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