Spondyloarthritis & psoriatic arthritis

Impact of patient characteristics on Axial Spondyloarthritis Disease Activity Score (ASDAS) disease activity state cut-offs in axial spondyloarthritis: results from nine European rheumatology registries

RMD OpenPublished Pooled registry cohort study

Authors' conclusion

Re-evaluation of ASDAS cut-offs for disease activity states in a large multi-national axSpA cohort resulted in cut-offs similar to those currently endorsed.

Study context

Population
Patients with axial spondyloarthritis (axSpA) starting their first TNFi in nine European registries
Participants
2,939 patients
Outcome
ASDAS cut-offs separating disease activity states (ID, LDA, HDA, very high disease activity)
Methodological detailsnine European registries, ROC analyses against external criteria
  • Nine European registries
  • ROC analyses against external criteria

Main finding

As reported in the abstract

ASDAS cut-offs, overall population

Cut-off inactive disease (ID) vs low disease activity (LDA)

<1.3

Cut-off LDA vs high disease activity (HDA)

<2.0

Cut-off HDA vs very high disease activity

>3.5

Observational data: associations, not effects.

Further findings

ASDAS cut-offs for ID and LDA by sex

Women: ID cut-off
<1.5
Women: LDA cut-off
<2.0
Men: ID cut-off
<1.3
Men: LDA cut-off
<1.9

ASDAS cut-offs for ID and LDA by age

≥45 years: ID cut-off
<1.5
≥45 years: LDA cut-off
<2.2
≤34 years: ID cut-off
<1.2
≤34 years: LDA cut-off
<1.9
35-44 years: ID cut-off
<1.3
35-44 years: LDA cut-off
<1.8

Cut-offs by calendar time and disease duration

Cut-offs were independent of calendar time and disease duration

Original publication

Impact of patient characteristics on ASDAS disease activity state cut-offs in axial spondyloarthritis: results from nine European rheumatology registries. RMD Open. Published 2 November 2024. doi:10.1136/rmdopen-2024-004644

Composed by AI from the published abstract and checked against it. How Briefs are made →

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