Fig. 2From: Incorporating assessment of the cervical facet joints in the modified Stoke ankylosing spondylitis spine score is of additional value in the evaluation of spinal radiographic outcome in ankylosing spondylitisDifferences in status and progression scores when comparing the composite score (combined ankylosing spondylitis spine score (CASSS)) (range 0–87) with modified Stoke ankylosing spondylitis spine score (mSASSS) (range 0–72). X-axis mSASSS status scores at baseline (a) and progression scores during 4 years of follow-up (b). Y-axis: differences between mSASSS and CASSS status and progression scoresBack to article page