Lupus & antiphospholipid syndrome

Association of systemic lupus erythematosus with 90-day readmission following heart failure hospitalization: A national readmission database (NRD) analysis, 2016–2017

LupusPublished Retrospective cohort study

Main finding · 90-days readmissionResult — go to the resultHazard ratio 1.07 95% CI 1.02–1.12

Authors' conclusion

Systemic lupus erythematosus is independently associated with an increased risk of 90-days readmission following heart failure hospitalization, contributing to greater healthcare utilization and costs.

Study context

Population
Adults ≥18 years with an index admission for HF, Nationwide Readmissions Database 2016–20179,096 with SLE
Participants
1,625,731 adults
Exposure
SLE vs non-SLE among patients hospitalised with HF
  • SLEn = 9,096
Outcome
90-days all-cause readmission
Follow-up
90 days
Methodological detailsNationwide Readmissions Database 2016-2017, multivariable Cox proportional hazards
  • Nationwide Readmissions Database 2016-2017
  • Multivariable Cox proportional hazards

Main finding

90-days readmission

Hazard ratio

1.07

95% CI 1.02–1.12

P = 0.010

By group

SLEvs Non-SLE
HR 1.07 (95% CI 1.02–1.12); P = 0.010

As reported in the abstract

Observational data: associations, not effects.

Secondary outcomes

OutcomeSLENon-SLE
Median LOSmedian 4 days4 days
Median hospitalization costsmedian 32,872 USD— not stated in the abstract

— not stated in the abstract

In-hospital mortality

In-hospital mortality did not differ significantly between groups

Mortality during readmissions vs index admissions

Mortality during readmissions
5.4%
Mortality during index admissions
2.9%
  • Nearly doubled compared with index admissions

Median hospitalization costs

SLE costs 13% higher than non-SLE patients

Original publication

Association of systemic lupus erythematosus with 90-day readmission following heart failure hospitalization: A national readmission database (NRD) analysis, 2016–2017. Lupus. Published 4 July 2026. doi:10.1177/09612033261465925

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