|
Female (%)
|
72
|
|
Mean age (years)
|
50.7
|
|
Mean disease duration (months)
|
4.3
|
|
Pain (100 mm VAS)
|
54.4
|
|
Morning stiffness (minutes)
|
84
|
|
Ritchie index
|
17.8
|
|
Tendon joint count
|
21.8
|
|
Swollen joint count
|
8.4
|
|
Nodules (%)
|
6
|
|
ESR (mm/1st h)
|
38.4
|
|
CRP (mg/l)
|
32
|
|
IgM RF positive (%)
|
71
|
|
DAS 44
|
4.1
|
|
HLA DRB1*04 (%)a
|
53
|
|
HLA DRB1*01 (%)b
|
15.5
|
- aDRB1*04 includes DRB1*0401, *0404, *0405, and *0408. bDRB1*01 includes DRB1*0101 and *0102. CRP, C-reactive protein; DAS, disease activity score; ESR, erythrocyte sedimentation rate; IgM RF, immunoglobulin M rheumatoid factor; VAS, visual analog scale for pain.
