Table 6 Assessment of SpondyloArthritis international Society (ASAS) core set for clinical record keeping17
PainNRS/VAS (last week/spine/at night due to AS)
NRS/VAS (last week/spine/due to AS)
Spinal mobilityChest expansion
Modified Schober
Occiput to wall
Cervical rotation
Lateral spinal flexion or BASMI
Patient globalNRS/VAS (global disease activity last week)
Peripheral joints and enthesesNumber of swollen joints (44-joint count)
Validated enthesitis score, such as MASES, San Francisco and Berlin
StiffnessNRS/VAS (duration of morning stiffness/spine/last week)
Acute phase reactantsC-reactive protein (CRP) or erythrocyte sedimentation rate (ESR)
FatigueFatigue question BASDAI
  • AS, ankylosing spondylitis; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functional Index; BASMI, Bath Ankylosing Spondylitis Metrology Index; MASES, Maastricht Ankylosing Spondylitis Enthesis Score; NRS, numerical rating scale 0–10; VAS, visual analogue scale 0–100.

  • Adapted with permission from J Rheumatol.