Lupus & antiphospholipid syndrome

Risk of chronic kidney disease in newly diagnosed SLE with preserved renal function: a national study

Rheumatology (Oxford)Published Matched cohort study

Main finding · Incident CKDResult — go to the resultHazard ratio 1.96 95% CI 1.50–2.54

Authors' conclusion

Patients with SLE and preserved kidney function at diagnosis, without LN, are at increased risk of adverse renal outcomes, cardiovascular events and mortality

Study context

Population
Newly diagnosed patients with SLE between 2015 and 2023 with estimated glomerular filtration rate (eGFR) > 60 ml/min/1.73 m² and no LN, national databasemedian follow-up 5.77 years
Participants
1,145 vs 91,681
Exposure
Newly diagnosed SLE with preserved kidney function and no LN vs matched non-SLE controls
  • SLEn = 1,145
  • Controlsn = 91,681reference
Outcome
Incident CKD, defined as eGFR ≤ 60 ml/min/1.73 m² after diagnosis
Methodological detailsnational database, matched by age, sex and ethnicity
  • National database
  • Matched by age, sex and ethnicity

Main finding

Incident CKD

Hazard ratio

1.96

95% CI 1.50–2.54

By group

SLEvs Controls
HR 1.96 (95% CI 1.50–2.54)

As reported in the abstract

Observational data: associations, not effects.

Secondary outcomes

OutcomeHR (95% CI)
ESKD3.13 (1.38–7.08)
MACE1.63 (1.31–2.04)
All-cause mortality4.52 (3.71–5.50)

Baseline eGFR

Mean eGFR trajectories

Similar between the groups

Risk factors for CKD and end-stage kidney disease (ESKD) (strongest)

Diabetes HR
1.51 (95% CI 1.39-1.64)
Hypertension HR
2.72 (95% CI 2.42-3.07)

Original publication

Risk of chronic kidney disease in newly diagnosed SLE with preserved renal function: a national study. Rheumatology (Oxford). Published 16 June 2026. doi:10.1093/rheumatology/keag307

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