Table 1

Clinical and demographic characteristics of patients with rheumatoid arthritis and of healthy controls

RA, erosive (n=49)RA, non-erosive (n=27)Healthy controls (n=34)
N/A, not assessed.
Age (years), mean (SEM) [range]64 (12) [30–85]54 (20) [20–83]42 (14) [18–67]
Sex, male/female20/298/1912/22
Duration of the disease (years), mean (SEM)14 (1)8 (2)
Rheumatoid factor, +/−45/47/20N/A
Treatment with DMARD:
    MTX235
    Other DMARDs116
    None1516
Oral glucocorticosteroids168