Table 1

Characteristics of the patients with AS

Patient characteristicsTotalActive ASInactive AS
Number of patients765422
Gender (M/F)M (54) / F (22)M (37) / F (17)M (17) / F (5)
Age (mean±SD)42.9±12.145.3±12.037.4±10.2
Human leucocyte antigen-B27+ (%)89.47%88.9%90.9%
Inflammatory bowel disease (%)6.6%7.4%4.5%
Psoriasis (%)3.9%5.5%0%
Uveitis (%)27.6%22.2%36.4%
Tumour necrosis factor inhibitor (%)53.9%42.6%81.8%
ASDAS (mean±SD)1.92±1.002.35±0.870.86±0.23
ASDAS range0.2–4.11.3–4.10.2–1.2
  • AS, ankylosing spondylitis; ASDAS, Ankylosing Spondylitis Disease Activity Score.