Lupus & antiphospholipid syndrome

Comparison of clinicopathological characteristics and outcomes between patients with late and early-onset systemic lupus erythematosus with lupus nephritis: A North African study

LupusPublished Retrospective cohort study

Authors' conclusion

Our results indicate that SLE patients have different clinical, serological and histological manifestations depending on the age at onset of the disease.

Study context

Population
Patients with lupus nephritis (LN) admitted to a nephrology unit between 2007 and 2024, North Africa
Participants
231 patients
Exposure
Late-onset systemic lupus erythematosus (SLE) vs early-onset SLE with LN
  • Late-onset SLEn = 43
  • Early-onset SLEn = 188reference
Outcome
Clinicopathological characteristics and outcomes of LN
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

  • No difference in time from SLE diagnosis to LN
  • Late-onset: higher prevalence of discoid rash, lower frequency of leukopenia
  • Late-onset: higher serum creatinine, lower prevalence of anti-SSA and anti-RNP antibodies
  • Class VI LN significantly more frequent in late-onset
  • Oral GC, HCQ and immunosuppressive drug use significantly lower in late-onset
  • Early-onset significantly less likely to progress to CKD

Observational data: associations, not effects.

Further findings

Mean age at SLE diagnosis

Original publication

Comparison of clinicopathological characteristics and outcomes between patients with late and early-onset systemic lupus erythematosus with lupus nephritis: A North African study. Lupus. Published 26 August 2025. doi:10.1177/09612033251374770

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