Lupus & antiphospholipid syndrome

Impact of baseline proteinuria level on long-term outcomes in lupus nephritis

Rheumatology (Oxford)Published Cohort study

Authors' conclusion

Low-level proteinuria is commonly associated with proliferative LN and adverse long-term outcomes.

Study context

Population
Patients with first biopsy-proven lupus nephritis (LN)median follow-up 8.4 years
Participants
249 patients
Exposure
Low-level vs moderate-level vs high-level baseline proteinuria
  • Group 1n = 62reference
  • Group 2n = 90
  • Group 3n = 97
Outcome
Adverse composite outcome:
  • ESKD
  • Sustained ≥40% decline in eGFR
  • Death
Follow-up
Median 8.4 years
Methodological detailsCox proportional hazard models, multivariable model
  • Cox proportional hazard models
  • Multivariable model

Main finding

As reported in the abstract

Group 1

27.4%

P = 0.003

Observational data: associations, not effects.

Further findings

OutcomeP value
LN flares · median follow-up 8.4 yearsGroup 1 vs Group 2 · across groups 1, 2 and 3P < 0.001

Complete proteinuria recovery (CPR) at 1 year

Rate of CPR at 1 year highest for group 1 and lowest for group 3

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

Original publication

Impact of baseline proteinuria level on long-term outcomes in lupus nephritis. Rheumatology (Oxford). Published 24 October 2024. doi:10.1093/rheumatology/keae579

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

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