Spondyloarthritis & psoriatic arthritis

Challenges of Assessment of SpondyloArthritis international Society Criteria in Real-World Colombian Patients With Spondyloarthritis: A Cross-Sectional Study

J RheumatolPublished Cross-sectional study

Authors' conclusion

This large Colombian SpA cohort, predominantly comprising patients with pSpA, revealed distinct clinical and imaging features between axSpA and pSpA. The ASAS criteria showed high sensitivity but failed to classify a subset of patients with radiographic sacroiliitis as having r-axSpA, highlighting limitations in its entry criteria for axSpA.

Study context

Population
Colombian patients with newly diagnosed spondyloarthritis (SpA) by ≥ 1 expert rheumatologist58.1% peripheral SpA (pSpA)
Participants
461 patients
Exposure
ASAS criteria vs rheumatologist's diagnosis, modified New York (mNY) and European Spondyloarthropathy Study Group (ESSG) criteria; Axial SpA (axSpA) vs pSpA
Outcome
Sensitivity of ASAS criteria vs rheumatologist diagnosis

Main finding

As reported in the abstract

GroupValueSensitivity
ASAS90.8%90.8%

ASAS

Value90.8%
Sensitivity90.8%

Observational data: associations, not effects.

Original publication

Challenges of Assessment of SpondyloArthritis international Society Criteria in Real-World Colombian Patients With Spondyloarthritis: A Cross-Sectional Study. J Rheumatol. Published 1 September 2025. doi:10.3899/jrheum.2025-0073

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