Fig. 6.

Patients in sustained remission achieving normal physical function at years 2 and 3. Analysis of patients in the MRI/CRP-positive subpopulation with abnormal physical function at baseline (normal function defined as BASFI ≤ 3). Sustained clinical remission was defined as achieving ASDAS < 1.3 at all available visits during year 2 (from week 52 to week 104), during year 3 (from week 104 to week 156), and during both years 2 and 3 (from week 52 to week 156). ASDAS Ankylosing Spondylitis Disease Activity Score, BASFI Bath Ankylosing Spondylitis Functional Index, CRP C-reactive protein, MRI Magnetic resonance imaging