Table 2.

Response rates after 1 year of treatment with anti-TNF agents. Except where indicated otherwise, values are percentages.

nPrivate PracticesAcademic CentersOR (95% CI)p
All Patients with Axial SpA
  ASAS4033648.543.41.22 (0.71–2.13)0.51
  ASDAS clinically important improvement29659.760.00.99 (0.55–1.77)1.00
  ASDAS major improvement29635.832.91.14 (0.63–2.12)0.67
  ASDAS inactive disease29616.920.00.81 (0.40–1.74)0.59
Patients with AS
  ASAS4023151.752.90.95 (0.48–1.86)1.00
Patients with Nonradiographic Axial
  SpA ASAS406027.525.01.14 (0.29–4.97)1.00
  • Anti-TNF: anti-tumor necrosis factor; SpA: spondyloarthritis; ASAS: Assessment of SpondyloArthritis international Society; ASAS40: ≥ 40% improvement according to ASAS; ASDAS: Ankylosing Spondylitis Disease Activity Score.