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

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

8^a

-

DAS28

4.39 ± 1.19

-

RF positivity, n (%)

31 (72%)

-

Anti-CCP positivity, n (%)

26 (60%)

-