Table 2

General and disease-related characteristics for the rheumatoid arthritis patients.

Rheumatoid arthritis patients


General characteristics

Age (years)

67 (59-73)

Sex female N (%)

155 (77)

Body mass index

28 (24-32)

Disease-related characteristics

Disease duration (years)

16 (11-25)

Rheumatoid factor positive N (%)*

113 (81)

DAS28

3.1 (2.5-4.0)

C-reactive protein (mg/l)

3 (2.9-8.5)

Erythrocyte sedimentation rate (mmhr)

12 (5-23)


Results are expressed as median (25th to 75th percentile values) or number (percentage). *Data only available for 140 patients. DAS28, disease activity score in 28 joints.

Sandoo et al. Arthritis Research & Therapy 2013 15:R107   doi:10.1186/ar4287

Open Data