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Table 1 Clinical and laboratory findings for 42 patients with ankylosing spondylitis treated with infliximab

From: Clinical response to discontinuation of anti-TNF therapy in patients with ankylosing spondylitis after 3 years of continuous treatment with infliximab

Finding BASDAI BASMI BASFI PatGA PhysGA NRS-P ESR (mm/h) CRP (mg/l)
At time point 1a
Mean ± SD 2.5 ± 1.8** 2.7 ± 2.0* 2.9 ± 2.4** 2.6 ± 1.5** 2.6 ± 2.1** 2.6 ± 2.1** 10.5 ± 7.3** 3.1 ± 4.2**
Median 2.4 2.0 2.5 4.0 2.0 2.0 8.0 1.1
Range 0.0 - 6.8 0.0 - 7.0 0.0 - 8.3 0.0 - 8.0 0.0 - 4.0 0.0 - 7.0 2.0 - 32.0 0.0 - 19.0
At time point 2a
Mean ± SD 6.1 ± 1.4** 3.2 ± 2.2* 5.8 ± 1.8** 6.9 ± 2.1** 7.0 ± 1.5** 7.1 ± 1.7** 31.5 ± 29.7** 20.7 ± 23.7**
Median 6.2 3.0 5.7 7.0 7.0 7.0 23.0 14.0
Range 4.0 - 9.2 0.0 - 9.0 1.2 - 9.1 4.0 - 10.0 4.0 - 10.0 0.0 - 10.0 4.0 - 150.0 0.3 - 126.0
Change between time points 1 and 2
Mean ± SD 3.6 ± 1.7 0.5 ± 1.5 2.9 ± 2.0 4.3 ± 1.9 4.4 ± 1.8 4.5 ± 2.2 21.0 ± 29.7 17.6 ± 23.4
Median 3.6 0.5 2.5 4.0 4.0 4.0 12.0 11.5
Range -1.2 - 6.7 -4.0 - 3.0 -0.5 - 7.8 -2.0 - 8.0 -2.0 - 8.0 -1.0 - 8.0 -6.0 - 146.0 -6.3 - 123.0
  1. aTime point 1 is the time point at which infliximab treatment was discontinued; time point 2 is that when retreatment began. *P < 0.05, **P < 0.001, when means at time points 1 and 2 are compared. BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Function Index; BASMI, Bath Ankylosing Spondylitis Metrology Index; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; NRS-P, numerical rating scale for pain; PatGA, patient's global assessment; PhysGA, physician's global assessment; SD, standard deviation.