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Table 1 Characteristics of the first patient cohort

From: Alteration of matrix metalloproteinase-3 O-glycan structure as a biomarker for disease activity of rheumatoid arthritis

Characteristic

First cohort (n = 24)

Age, years

68 (55–72)

Female, n (%)

20 (83)

Disease duration, months

36 (6–153)

Stage I/II/III/IV, n

9/8/2/5

Class 1/2/3/4, n

5/14/4/0

RF-positive, n (%)

19 (79)

ACPA-positive, n (%)

20 (87)a

Methotrexate use, n (%)

13 (54)

Biologic use, n (%)

8 (33)

DAS28-ESR

4.6 (3.6–5.8)a

  1. RF rheumatoid factor, ACPA anticitrullinated protein antibodies, DAS28-ESR Disease Activity Score in 28 joints with erythrocyte sedimentation rate
  2. Values are median (interquartile range) unless otherwise noted
  3. a n = 23