Correlation between change in Bath ankylosing spondylitis disease activity index (BASDAI) and change in sacroiliac joints (SIJs) (A), and change in C-reactive protein (CRP) score (B). (A) Improvement in BASDAI and SIJ score is presented after one year of treatment adjusted for baseline. (B) Improvement in BASDAI and log CRP values is presented for CRP-positive patients after one year of treatment adjusted for baseline.
Weiß et al. Arthritis Research & Therapy 2014 16:R35 doi:10.1186/ar4464