Table 2

Patient characteristics (n = 20)

Characteristic

N (SD)

Mean range

Diagnosis (%)

Rheumatoid arthritis

15

Osteoarthritis

3

Psoriatic arthritis

2

Gender (% female)

70%

Age

53.7 (7.5)

39-63

Disease duration in years

Mean

10.6 (7.9)

3-31

Oude Voshaar et al. Arthritis Research & Therapy 2012 14:R47   doi:10.1186/ar3760