Across rheumatic diseases

Long‐Term Mortality Following SARS‐CoV‐2 Infection in Rural Versus Urban Dwellers With Autoimmune or Inflammatory Rheumatic Disease: A Retrospective Cohort Analysis From the National COVID Cohort Collaborative

Arthritis Care Res (Hoboken)Published Retrospective cohort study

Main finding · Two-year all-cause mortalityResult — go to the resultAdjusted hazard ratio 1.24 95% CI 1.19–1.29

Authors' conclusion

Rural residence in people with AIRD was independently associated with higher two-year post-COVID-19 mortality in a large US cohort after adjusting for background risk factors.

Study context

Population
Adults with two or more AIRD diagnostic codes and a COVID-19 diagnosis documented between April 2020 and March 2023, National COVID Cohort Collaborative (US)
Participants
86,467 adults
Exposure
Rural vs urban dwellers with AIRD after SARS-CoV-2 infection
Outcome
All-cause mortality
Follow-up
Up to two years
Methodological detailsmultivariable Cox proportional hazards, inverse probability treatment weighting
  • Multivariable Cox proportional hazards
  • Inverse probability treatment weighting

Main finding

Two-year all-cause mortality

Adjusted hazard ratio

1.24

95% CI 1.19–1.29

Ruralvs Urban
aHR 1.24 (95% CI 1.19–1.29)

As reported in the abstract

Observational data: associations, not effects.

Further findings

Two-year post-COVID-19 mortality by medication · up to two years

GC, immunosuppressive and RTX prescriptions associated with higher risk
Nonbiologic or biologic DMARDs associated with lower risk

Original publication

Long‐Term Mortality Following SARS‐CoV‐2 Infection in Rural Versus Urban Dwellers With Autoimmune or Inflammatory Rheumatic Disease: A Retrospective Cohort Analysis From the National COVID Cohort Collaborative. Arthritis Care Res (Hoboken). Published 16 October 2024. doi:10.1002/acr.25421

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