Lupus & antiphospholipid syndrome

Hashimoto’s thyroiditis increases the risk of new-onset systemic lupus erythematosus: a nationwide population-based cohort study

Arthritis Res TherPublished Retrospective cohort study

Authors' conclusion

Our study showed an increased risk of SLE in the HT group after adjustment for baseline characteristics, comorbidities, and medical confounders compared with the reference group.

Study context

Population
Taiwan National Health Insurance Research Database: patients with Hashimoto's thyroiditis (HT) and matched individuals without HT
Participants
15,512 vs 31,024
Exposure
HT vs propensity score matched non-HT
  • HTn = 15,512
  • non-HTn = 31,024reference
Outcome
New-onset SLE
Methodological detailsnationwide population-based, propensity score matched 1:2, Cox proportional hazards models
  • Nationwide population-based
  • Propensity score matched 1:2
  • Cox proportional hazards models

Main finding

As reported in the abstract

SLE

IRR of systemic lupus erythematosus (SLE)

3.58

95% CI 2.43–5.28p < 0.01

Observational data: associations, not effects.

Further findings

SLE, sensitivity analyses

Sensitivity analysis aHR
4.35 (3.28-5.76) (CI)
Sensitivity analysis aHR
4.39 (3.31-5.82) (CI)
Sensitivity analysis aHR
5.11 (3.75-6.98) (CI)
Sensitivity analysis aHR
4.70 (3.46-6.38) (CI)
  • Consistent with the results of the main model

Original publication

Hashimoto’s thyroiditis increases the risk of new-onset systemic lupus erythematosus: a nationwide population-based cohort study. Arthritis Res Ther. Published 9 February 2023. doi:10.1186/s13075-023-02999-8

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