Lupus & antiphospholipid syndrome

Risk of COVID-19 among unvaccinated and vaccinated patients with systemic lupus erythematosus: a general population study

RMD OpenPublished Cohort study

Main finding · SARS-CoV-2 infection, unvaccinated cohort (rate per 1000 person-months)Result — go to the resultAdjusted hazard ratio 1.28 95% CI 1.03–1.59

Authors' conclusion

While unvaccinated patients with SLE were at higher risk of SARS-CoV-2 infection and its severe sequelae than the general population, no such difference was observed among vaccinated population.

Study context

Population
Individuals aged 18–90 years with no previously documented SARS-CoV-2 infection, The Health Improvement Networkunvaccinated cohort: 3245 systemic lupus erythematosus (SLE), 1,755,034 non-SLE
Exposure
SLE vs general population, by COVID-19 vaccination status
Outcome
SARS-CoV-2 infection and severe sequelae (COVID-19 hospitalisation, COVID-19 death, combined severe outcomes)
Methodological detailsgeneral population study, exposure score overlap weighted Cox proportional hazards model
  • General population study
  • Exposure score overlap weighted Cox proportional hazards model

Main finding

As reported in the abstract

SARS-CoV-2 infection, unvaccinated cohort (rate per 1000 person-months)

Adjusted hazard ratio

1.28

95% CI 1.03–1.59

By group

SLEvs General population
aHR 1.28 (95% CI 1.03–1.59)

Observational data: associations, not effects.

Further findings

Per 1000 person-months

OutcomeSLEGeneral populationaHR (95% CI)
COVID-19 hospitalisation, unvaccinated cohort (rate per 1000 person-months)3.211.771.82 (1.21–2.74)
COVID-19 death, unvaccinated cohort (rate per 1000 person-months)1.160.532.16 (1.00–4.79)
Combined severe outcomes, unvaccinated cohort (rate per 1000 person-months)3.862.181.78 (1.21–2.61)

Infection and severe sequelae, vaccinated cohort · 9 months of follow-up

No statistically significant differences between vaccinated SLE and vaccinated general population

Original publication

Risk of COVID-19 among unvaccinated and vaccinated patients with systemic lupus erythematosus: a general population study. RMD Open. Published 8 March 2023. doi:10.1136/rmdopen-2022-002839

Composed by AI from the published abstract and checked against it. How Briefs are made →

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