Lupus & antiphospholipid syndrome

Obesity is an independent poor prognostic factor in lupus nephritis

LupusPublished Retrospective cohort study

Authors' conclusion

A BMI ≥30 kg/m2 is an independent poor prognostic factor for the progression of CKD in LN.

Study context

Population
Biopsy-proven class III, IV or V incident lupus nephritis (LN) with quarterly data over a long follow-up (median 140 months)
Participants
132 participants
Exposure
Obese vs non-obese patients with LN
Outcome
CKD G3 (eGFR <60 mL/min/1.73 m²)
Methodological detailsmultivariate analysis
  • Multivariate analysis

Main finding

As reported in the abstract

Progression of CKD (CKD G3; eGFR <60 mL/min/1.73 m²) · long-term (median follow-up 140 months)
Obesity, long-term risk for progression of CKD: HR
2.72 (1.11-6.64), p = .028 (95% CI)
Obesity an independent risk factor for CKD G3 in multivariate analysis
p = .029

Observational data: associations, not effects.

Further findings

Renal flare

Time to renal flare statistically shorter in obese patients

Baseline characteristics

Baseline characteristics did not differ between obese and non-obese patients

Original publication

Obesity is an independent poor prognostic factor in lupus nephritis. Lupus. Published 17 September 2025. doi:10.1177/09612033251375856

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