Fig. 1From: Site-specific assessment of spinal radiographic progression improves detection of TNF blocker-associated disease modification in axial spondyloarthritis: longitudinal observational data from the Swiss Clinical Quality Management RegistryModified Stoke Ankylosing Spondylitis Spinal Score (mSASSS) stratified by spinal segments (range 0–36) and shown for individual patients plotted as a function of duration since symptom onset. Progression in the cervical spine in blue (upper part of the figure), progression in the lumbar spine in green (lower part of the figure)Back to article page