Lupus & antiphospholipid syndrome

Prevalence of major adverse cardiovascular events among Saudi patients with systemic lupus erythematosus compared with the general population: updates from the national SLE and PURE cohorts

Lupus Sci MedPublished Cohort study

Authors' conclusion

Patients with SLE have a significantly higher risk of developing MACE than the general population. This risk is not well explained by traditional risk factors, which may explain the failure of CVD risk scores to stratify patients with SLE adequately.

Study context

Population
Saudi patients with SLE and the general population, 2020 to 2023
Participants
746 vs 488
Exposure
Saudi patients with SLE vs general population
  • SLEn = 746
  • PUREn = 488reference
Outcome
Period prevalence of MACE:
  • Defined in methods as MI
  • Stroke
  • Angina
Follow-up
2020 to 2023
Methodological detailstwo national cohorts (Saudi national prospective SLE cohort; PURE-Saudi subcohort), standardised monitoring protocol, logistic regression adjusted for demographics, traditional CV risk factors and SLE diagnosis
  • Two national cohorts (Saudi national prospective SLE cohort; PURE-Saudi subcohort)
  • Standardised monitoring protocol
  • Logistic regression adjusted for demographics, traditional CV risk factors and SLE diagnosis

Main finding

As reported in the abstract

MACE prevalence

P = 0.004

Observational data: associations, not effects.

Further findings

Age

Female

Traditional risk factors (greater in PURE, except hypertension)

Dyslipidaemia

Obesity

Diabetes

Hypertension

Factors associated with major adverse cardiovascular events (MACE) (adjusted logistic regression)

Age associated with odds of MACE
P = 0.00
Lupus diagnosis associated with odds of MACE
P = 0.00
Cardiovascular disease (CVD) risk factors not associated with odds of MACE
P = 0.83
  • Older age and lupus diagnosis independently associated with MACE after adjusting for conventional risk factors

Original publication

Prevalence of major adverse cardiovascular events among Saudi patients with systemic lupus erythematosus compared with the general population: updates from the national SLE and PURE cohorts. Lupus Sci Med. Published 24 May 2024. doi:10.1136/lupus-2024-001158

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