Autoinflammatory & rare systemic diseases

Arthroplasty rates and risk in familial Mediterranean fever patients: a large population-based study

Rheumatology (Oxford)Published Retrospective cohort study

Authors' conclusion

Although this complication is relatively uncommon in FMF patients, it occurs almost twice as frequently as compared with the general population. FMF patients of North African origin are at an even higher risk.

Study context

Population
FMF patients diagnosed 2000–2016 in the largest health-care organization in Israel and matched controls
Exposure
FMF vs matched controls
  • FMFn = 9,769
Outcome
Rates of arthroplasty
Methodological detailspopulation-based, age-, gender- and residency-matched controls, logistic regression
  • Population-based
  • Age-, gender- and residency-matched controls
  • Logistic regression

Main finding

As reported in the abstract

Arthroplasty
Each group vs controlsEstimate (95% CI)
FMF
OR (unadjusted) 1.79(1.32–2.43)
FMF
OR (partially adjusted) 1.97(1.40–2.77)
FMF
OR (fully adjusted) 1.92(1.35–2.72)

Observational data: associations, not effects.

Further findings

Arthroplasty risk within FMF cohort: North African origin

OR (95% CI)P value
North African origin6.89 (5.09–9.33)P < 0.001

Original publication

Arthroplasty rates and risk in familial Mediterranean fever patients: a large population-based study. Rheumatology (Oxford). Published 5 February 2024. doi:10.1093/rheumatology/keae086

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