Skip to main content

Table 1 Characteristics of the study patients

From: Whole body MR imaging in ankylosing spondylitis: a descriptive pilot study in patients with suspected early and active confirmed ankylosing spondylitis

  Suspected early ankylosing spondylitis group (n = 10) Confirmed ankylosing spondylitis group (n = 10)
Male : female 7 : 3 7 : 3
Age (years) 28.5 (21 – 45) 36.5 (30 – 48)
Disease duration (years) 0.8 (0.3 – 2.0) 12.5 (6 – 28)
HLA B27 positive (%) 90 90
BASDAI 4.6 (3.5 – 6.7) 5.9 (3.2 – 8.0)
BASDAI 2 6.0 (4 – 10) 7.0 (6 – 10)
BASFI 3.0 (0.5 – 6.2) 4.6 (0.8 – 7.8)
BASMI 1.0 (0 – 2) 2.0 (0 – 5)
ESR (mm/h) 8.0 (1 – 42) 16.5 (5 – 64)
  1. Values presented are median (range) unless otherwise stated
  2. BASDAI: Bath Ankylosing Spondylitis Disease Activity Index [21]; BASDAI 2: second question of the BASDAI instrument dealing with back pain; BASFI: Bath Ankylosing Spondylitis Functional Index [23]; BASMI: Bath Ankylosing Spondylitis Metrology Index [24]; ESR: Erythrocyte Sedimentation Rate