Arrhythmias & electrophysiologyCohort study

Stroke risk in women with atrial fibrillation

Eur Heart JPublished

  • Population-based cohort study
  • administrative datasets

Authors' conclusion

Older age and inequities in cardiovascular care may partly explain higher stroke rates in females with AF.

Study context

Population
People aged ≥66 years diagnosed with atrial fibrillation (AF) in Ontario, 2007–201949.2% female
Participants
354,254 people
Exposure
Female vs male sex
Outcome
Stroke (adjusted HR associated with female sex)
Follow-up
2-year follow-up

Main finding

Stroke (adjusted HR for female sex)

Adjusted hazard ratio

1.27

95% CI 1.21–1.32

Female sex vs Males
adjusted HR 1.27 (95% CI 1.21–1.32)

As reported in the abstract

Observational data: associations, not effects.

Further findings

CV care

Females more likely diagnosed in EDs and less likely to receive cardiologist assessments, statins or LDL-C testing; higher LDL-C levels in females than males

Original publication

Stroke risk in women with atrial fibrillation. Eur Heart J. Published 30 August 2023. doi:10.1093/eurheartj/ehad508

Summarised from the published abstract; every number is checked against it