*Reflected by having a balanced specificity and sensitivity.1
328 patients with axSpA and ≥1 ASDAS measurement in 2016–2022 were selected from a prospective multicentre Dutch registry (SpA-Net). Single patients could contribute multiple treatment intensification events, with only the first observation per patient per calendar year included in the analyses. Only anti-inflammatory drugs (NSAIDs, [b/cs/ts]DMARDs, corticosteroids) were considered with regards to treatment intensification and approximately two-thirds of patients (211/328 [64.3%]) were receiving b/tsDMARDs at some point during the study period.1
ASAS: Assessment of SpondyloArthritis international Society; ASDAS: Ankylosing Spondylitis Disease Activity Score; axSpA: axial spondyloarthritis; BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; (b/cs/ts)DMARD: (biologic/conventional synthetic/targeted synthetic) disease-modifying anti-rheumatic drug; NSAID: non-steroidal anti-inflammatory drug.
1. Webers C et al. Arthritis Rheumatol. 2023;75(Suppl 9). Abstract 0517. 2. Ramiro S et al. Ann Rheum Dis. 2023;82(1):19–34. 3. Fischer F et al. Healthcare (Basel). 2016;4(3):36.