Table 1

 Demographic data of the 20 patients with AS at baseline

Etanercept groupPlacebo group
(n = 12)(n = 8)
Results are shown as mean (SD).
BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; BASMI, Bath Ankylosing Spondylitis Metrology Index; CRP, serum C reactive protein; ESR, erythrocyte sedimentation rate.
Age (years)32.0 (7.0)39.5 (8.2)
Disease duration (years)11.1 (6.4)10.9 (10.0)
BASDAI score6.6 (1.2)6.2 (1.5)
BASFI score4.5 (2.5)5.2 (2.1)
CRP (mg/l)22.2 (17.6)33.2 (46.8)
ESR (mm/1st h)35.8 (26.8)36.9 (34.8)