Spondyloarthritis & psoriatic arthritis

Impact of disease outcomes on the Assessment of SpondyloArthritis International Society Health Index (ASAS HI): a Bayesian network analysis of the DESIR cohort

RMD OpenPublished Cross-sectional study

Authors' conclusion

It shows that disease activity and physical function have a strong impact on ASAS HI, confirming it to be a valid construct of overall functioning and health in axSpA patients.

Study context

Population
Patients with axial spondyloarthritis (axSpA) in the Devenir des Spondylarthropathies Indifferénciées Récentes (DESIR) cohort, month 72analysed
Participants
384 patients
Outcome
Interrelationships of disease outcomes (incl. ASDAS, BASFI) with the ASAS HI
Follow-up
Month 72
Methodological detailsprobabilistic Bayesian network modelling, month 72 data of the DESIR cohort
  • Probabilistic Bayesian network modelling
  • Month 72 data of the DESIR cohort

Main finding

As reported in the abstract

ASAS HI determinants (structural model)

Increase of ASAS HI per 1-unit increase of ASDAS

0.70 units

Increase of ASAS HI per 1-unit increase of Bath AS Functional Index (BASFI)

1.25 units

Observational data: associations, not effects.

Original publication

Impact of disease outcomes on the Assessment of SpondyloArthritis International Society Health Index (ASAS HI): a Bayesian network analysis of the DESIR cohort. RMD Open. Published 20 December 2023. doi:10.1136/rmdopen-2023-003587

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