Abstract Number: 561 • 2019 ACR/ARP Annual Meeting
Analysing Impairments in Physical Performance as Assessed by the as Performance Index (ASPI) in Patients with Axial Spondyloarthritis (axSpA)
Background/Purpose: In patients with axial spondyloarthritis (axSpA) physical functioning is frequently impaired. The current gold standard to assess physical functioning is self-reported questionnaires (i.e. BASFI),…