Table 2

Demographic and clinical characteristics of rheumatoid arthritis paired serum and synovial fluid (enzyme-linked immunosorbent assay)
Rheumatoid arthritis paired samples (n= 9)
Age (years) 58 ± 14
Sex, female/male 5/2
Disease duration (years) 15 ± 6
Swollen joint count 4 ± 4
C-reactive protein (mg/l) 20 ± 25
Disease Activity Score in 28 joints 4.3 ± 2.5
Erythrocyte sedimentation rate (mm/hour) 31.1 ± 23.1
IgM-RF (kU/l) 117.25 ± 273.1
Anti-CCP (kAU/ml) 290.7 ± 447.9
Number taking NSAIDS (positive/negative) 1/9
Number taking corticosteroids (positive/negative) 6/9
Number taking DMARDs (positive/negative) 0/9
Number taking anti-tumor necrosis factor (positive/negative) 2/9

Data presented as mean ± standard deviation or number. anti-CCP, anti-cyclic citrullinated protein; DMARD, disease-modifying anti-rheumatic drug; IgM-RF, IgM rheumatoid factor; nd, not determined; NSAID, nonsteroidal anti-inflammatory drug.

Ramos et al.

Ramos et al. Arthritis Research & Therapy 2013 15:R209   doi:10.1186/ar4403

Open Data