Arrhythmias & electrophysiologyCohort study

Regional and socioeconomic disparities in the diagnosis of primary electrical diseases in a universal healthcare system: a nationwide Danish study

Eur Heart J Qual Care Clin OutcomesPublished

  • nationwide registry-based study
  • sex- and age-matched individuals in the background population

Authors' conclusion

Even within a universal healthcare system, geographic and systemic factors contribute to disparities in the diagnosis and management of PED. Differences in proximity to specialized clinics, regional referral practices, and treatment patterns may influence detection and care. Targeted strategies to improve awareness, referral pathways, and equitable access are needed to optimize diagnosis, management, and SCD prevention.

Study context

Population
Individuals diagnosed with primary electrical diseases (PED) (long QT syndrome, Brugada syndrome, catecholaminergic polymorphic ventricular tachycardia) between 2007 and 2024 in Denmarkindividuals with PED
Participants
1,132 individuals
Exposure
Cases were compared with sex- and age-matched individuals in the background population
  • Casesn = 1,132

Main finding

As reported in the abstract

Prevalence of PED

Overall prevalence

19.0 per 100,000

North Denmark (highest)

26.8

Central Denmark (lowest)

12.9

Observational data: associations, not effects.

Further findings

Psychiatric comorbidities, notably anxiety and affective disorders

Proximity to specialized inherited cardiac clinics

Cases lived closer than matched controls: shorter distance in the Capital Region
50%
Cases lived closer than matched controls: shorter distance in Southern Denmark
18.9%

Beta-blocker use and ICD implantation

Markedly higher in cases with regional variation

Socioeconomic status

Socioeconomic differences were modest, with immigrants underrepresented among diagnosed cases

Original publication

Regional and socioeconomic disparities in the diagnosis of primary electrical diseases in a universal healthcare system: a nationwide Danish study. Eur Heart J Qual Care Clin Outcomes. Published 18 April 2026. doi:10.1093/ehjqcco/qcag069

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