Lupus & antiphospholipid syndrome

Comparative Analysis of Damage Accrual in Lupus Nephritis Stratified by Biological Sex

J RheumatolPublished Retrospective cohort study

Authors' conclusion

Extrarenal and renal damage accrual are frequent in patients with LN and do not appear to be higher in male individuals.

Study context

Population
Patients with systemic lupus erythematosus (SLE) from an observational cohort who developed lupus nephritis (LN) at or after clinic entry (83.5% female; median age 33 years)median follow-up 8.6 years
Participants
460 patients
Exposure
Male vs female patients with LN
Outcome
Extrarenal damage (increase in nonrenal SLICC/ACR DI by ≥ 1) and renal damage (sustained ≥ 30% decline in eGFR or progression to end-stage kidney disease)
Methodological detailsobservational cohort, Fine-Gray subdistribution hazard models, Kaplan-Meier survival analysis, multivariable analysis
  • Observational cohort
  • Fine-Gray subdistribution hazard models
  • Kaplan-Meier survival analysis
  • Multivariable analysis

Main finding

As reported in the abstract

Damage accrual, male vs female (multivariable)
Male vs FemaleHazard ratio (95% CI)
Extrarenal damage
1.13(0.76–1.70)
Renal damage
1.26(0.67–2.36)
Whole cohort: extrarenal damage accrued
45.3%
Whole cohort: renal damage
32.2%

Observational data: associations, not effects.

Original publication

Comparative Analysis of Damage Accrual in Lupus Nephritis Stratified by Biological Sex. J Rheumatol. Published 1 July 2025. doi:10.3899/jrheum.2025-0302

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