Table 1.

Patient demographic and baseline characteristics.

Baseline CharacteristicPlacebo, n = 18Infliximab, n = 18
Age, yrs, mean (SD)41.7 (9.3)43.6 (11.8)
Male, %77.877.8
Years since first symptoms, mean (SD)20.2 (11.5)20.0 (11.8)
Years since first diagnosis, mean (SD)14.3 (12.0)12.0 (11.2)
HLA B27-positive, %72.277.8
History of inflammatory bowel disease, %11.111.1
History of uveitis, %33.322.2
History of psoriasis, %5.65.6
BASDAI, mean (SD)6.8 (1.4)6.6 (1.2)
BASFI, mean (SD)6.1 (2.0)6.9 (1.4)
BASGI, mean (SD)6.7 (1.5)7.4 (1.0)
ESR, mm/h, mean (SD)31.6 (21.8)21.1 (12.9)
CRP, mg/l, mean (SD)25.7 (23.8)15.3 (13.7)
  • BASDAI: Bath Ankylosing Spondylitis Activity Index; BASFI: Bath Ankylosing Spondylitis Functional Index; BASGI: Bath Ankylosing Spondylitis Global Index; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein.