Systemic sclerosis & Raynaud's

Risk of kidney failure in patients with systemic sclerosis: a nationwide population-based study

RMD OpenPublished Retrospective cohort study

Main finding · Kidney failureResult — go to the resultAdjusted hazard ratio 7.244 95% CI 4.256–12.329

Authors' conclusion

The risk of kidney failure remains higher in patients with SSc than in the general population.

Study context

Population
Patients with systemic sclerosis (SSc) and matched controls, Korean National Health Insurance Service database, 2010–2017, followed to 2019follow-up 5.2±2.6 years
Participants
2,591 vs 12,955
Exposure
SSc vs age- and sex-matched controls
  • SScn = 2,591
  • Controlsn = 12,955reference
Outcome
Kidney failure
Methodological detailsnationwide population-based, 1:5 age-matched and sex-matched controls, multivariable Cox proportional hazard models
  • Nationwide population-based
  • 1:5 age-matched and sex-matched controls
  • Multivariable Cox proportional hazard models

Main finding

As reported in the abstract

Over 5.2±2.6 years

Adjusted hazard ratio

7.244

95% CI 4.256–12.329

By group

SScvs Controls
aHR 7.244 (95% CI 4.256–12.329)

Observational data: associations, not effects.

Further findings

OutcomeaHR (95% CI)
Kidney failure by period of SSc diagnosis (subgroups)SSc diagnosed 2014–2017vs Controls9.754 (3.254–29.235)
Kidney failure by period of SSc diagnosis (subgroups)SSc diagnosed before 2010vs Controls6.568 (2.711–15.571)
Kidney failure by period of SSc diagnosis (subgroups)SSc diagnosed 2010–2013vs Controls6.553 (2.721–15.781)

Original publication

Risk of kidney failure in patients with systemic sclerosis: a nationwide population-based study. RMD Open. Published 9 November 2023. doi:10.1136/rmdopen-2023-003490

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