Table 1

Demographic and clinical characteristics of rheumatoid arthritis patients
PB SF Paired PB + SF
Age (years) 51 ± 11 44 ± 6 48 ± 19
Gender (male/female) 4/7 0/5 8/10
Disease duration (years) 15 ± 10 16 ± 2 13 ± 8
Rheumatoid factor (positive/negative) 6/5 2/3 6/9a
Erythrocyte sedimentation rate (mm/hour) 16 ± 19 26 ± 22 34 ± 22
C-reactive protein (mg/l) 3 ± 2b 14 ± 7 39 ± 61b
Treatment (NSAID/corticosteroids/DMARD/biological) 0/0/9/2 0/0/2/3 1/4/5/5a

Data presented as mean ± standard deviation or number. DMARD, disease-modifying anti-rheumatic drugs; NSAID, nonsteroidal anti-inflammatory drugs; PB, peripheral blood; SF, synovial fluid. aThree and beight missing values, respectively.

Moret et al.

Moret et al. Arthritis Research & Therapy 2013 15:R155   doi:10.1186/ar4338

Open Data