Figure 2

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.