Possible building blocks for the diagnosis of axSpA—part 2: later diagnosis

NrFeatureAssessmentDecision
1Limitation of spinal mobilityBASMI and thoracic excursionScore > 3
2Limitation of functionBASFIScore > 3
3Structural X-ray changes in the spine X-ray, mSASSS
(syndesmophytes, ankylosis)
Not applicable

axSpA: axial spondyloarthritis; Nr: number; BASMI: Bath Ankylosing Spondylitis Metrology Index; BASFI: Bath Ankylosing Spondylitis Functional Index; mSASSS: modified Stoke Ankylosing Spondylitis Spinal Score