Lupus & antiphospholipid syndrome

Increased healthcare utilisation in the 5 years preceding systemic lupus erythematosus diagnosis: a Danish nationwide cohort study

Ann Rheum DisPublished Nationwide registry-based cohort study

Authors' conclusion

Increased healthcare utilisation years before SLE diagnosis suggests that early symptoms are present and prompt medical attention long before formal diagnosis.

Study context

Population
Danish national healthcare registries, 2006–2021: individuals diagnosed with systemic lupus erythematosus (SLE) and matched healthy individuals (83.8% female; average age 47.1 years)matched cohort
Participants
2,022 vs 20,019
Exposure
SLE vs matched reference individuals
  • SLEn = 2,022
  • Referencesn = 20,019reference
Outcome
Healthcare utilisation (GP visits, specialist consultations, prescriptions, blood tests, diagnostic imaging, hospital admissions) in the 5 years preceding SLE diagnosis
Follow-up
5 years preceding diagnosis
Methodological detailsmatched, negative binomial regression adjusted for demographic and clinical covariates
  • Matched
  • Negative binomial regression adjusted for demographic and clinical covariates

Main finding

As reported in the abstract

GP contacts in the 5 years preceding SLE diagnosis · last 6 months before diagnosis

SLE

12

annual general practitioner (GP) contacts

References

4

contacts per year

Observational data: associations, not effects.

Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.

Original publication

Increased healthcare utilisation in the 5 years preceding systemic lupus erythematosus diagnosis: a Danish nationwide cohort study. Ann Rheum Dis. Published 24 February 2025. doi:10.1016/j.ard.2025.02.001

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