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Table 1 Characteristics of patients with rheumatoid arthritis (RA) and osteoarthritis (OA)

From: Calgizzarin (S100A11): a novel inflammatory mediator associated with disease activity of rheumatoid arthritis

Characteristics RA (n = 40) OA (n = 34)
Gender (female/male) 27/13 25/9
Age (years) 54.90 ± 14.25 65.21 ± 10.41
CRP (mg/l) 27.88 ± 31.80 4.11 ± 4.30
Disease duration (years) 6.72 ± 8.58 5.57 ± 7.41
Drugs (DMARDs/GCs) 37/26 -
Biological therapy 8a -
DAS28 4.39 ± 1.19 -
RF positivity, n (%) 31 (72%) -
Anti-CCP positivity, n (%) 26 (60%) -
  1. Data are expressed as the mean (± SD) unless stated otherwise. aOut of 8 patients, 5 were treated with anti-TNF therapy, 1 with tocilizumab, 1 with rituximab and 1 with anti-IL-17 therapy. Anti-CCP anti-cyclic citrullinated peptide antibody, BMI body mass index, CRP C-reactive protein, DAS28 disease activity score in 28 joints, DMARDs disease-modifying antirheumatic drugs, GCs glucocorticoids, MTX methotrexate, RF rheumatoid factor, SJC swollen joints count