Lupus & antiphospholipid syndrome

The cost of flares among patients with systemic lupus erythematosus with and without lupus nephritis in the United States

LupusPublished Retrospective cohort study

Authors' conclusion

Patients with SLE with LN have greater healthcare costs than those without LN. Flares among patients with LN were more frequent, severe, and costly than among patients without LN.

Study context

Population
Adults with systemic lupus erythematosus (SLE) identified 1 January 2016 to 31 December 2018 in a US claims database12,190 flares
Participants
11,663 adults
Exposure
SLE with LN vs SLE without LN
  • LNn = 2,916
  • non-LNn = 8,747reference
Outcome
Healthcare costs (2019 US dollars) associated with SLE flares
Follow-up
12 months following index
Methodological detailsmedical and pharmacy claims data (Optum Clinformatics)
  • Medical and pharmacy claims data (Optum Clinformatics)

Main finding

As reported in the abstract

Total healthcare costs associated with SLE flares of any severity · 12 months follow-up

Observational data: associations, not effects.

Further findings

Cost per mild flare

Cost per moderate flare

Cost per severe flare

Proportion of flares that were moderate

Proportion of flares that were severe

OutcomeLNnon-LN
Number of flares · follow-up period3494 events8696 events
Moderate flares per patientMean1.8 (SD 1.2)1.4 (SD 1.2)
Severe flares per patientMean0.2 (SD 0.6)0.1 (SD 0.3)

Original publication

The cost of flares among patients with systemic lupus erythematosus with and without lupus nephritis in the United States. Lupus. Published 21 December 2022. doi:10.1177/09612033221146093

Composed by AI from the published abstract and checked against it. How Briefs are made →

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