Patient characteristics | Total | Active AS | Inactive AS |
Number of patients | 76 | 54 | 22 |
Gender (M/F) | M (54) / F (22) | M (37) / F (17) | M (17) / F (5) |
Age (mean±SD) | 42.9±12.1 | 45.3±12.0 | 37.4±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±1.00 | 2.35±0.87 | 0.86±0.23 |
ASDAS range | 0.2–4.1 | 1.3–4.1 | 0.2–1.2 |
AS, ankylosing spondylitis; ASDAS, Ankylosing Spondylitis Disease Activity Score.