Arthritis research & therapy · 2023
Hashimoto's thyroiditis increases the risk of new-onset systemic lupus erythematosus: a nationwide population-based cohort study.
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Lin Hong-Ci, Chang Hsu-Min, Hung Yao-Min, Chang Renin, Chen Hsin-Hua, Wei James Cheng-Chung
Аннотация
BACKGROUND: Previous studies have shown systemic lupus erythematosus (SLE) patients had a significantly higher prevalence of thyroid diseases and hypothyroidism than matched controls, and some case reports showed SLE may occur after Hashimoto's thyroiditis (HT).
OBJECTIVE: This study aimed to investigate the subsequent risk of SLE in patients with HT.
METHODS: In this retrospective cohort study done by the Taiwan National Health Insurance Research Database, the HT group (exposure group) and the non-HT group (comparator group) were propensity score matched at a ratio of 1:2 by demographic data, comorbidities, medications, and the index date. We used Cox proportional hazards models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). Several sensitivity analyses were done for cross-validation of our findings.
RESULTS: We identified 15,512 HT patients and matched 31,024 individuals. The incidence rate ratio of SLE was 3.58 (95% CI, 2.43-5.28; p < 0.01). Several sensitivity analyses show adjusted hazard ratio (aHR) (CIs) of 4.35 (3.28-5.76), 4.39 (3.31-5.82), 5.11 (3.75-6.98), and 4.70 (3.46-6.38), consistent with the results of the main model.
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.
OBJECTIVE: This study aimed to investigate the subsequent risk of SLE in patients with HT.
METHODS: In this retrospective cohort study done by the Taiwan National Health Insurance Research Database, the HT group (exposure group) and the non-HT group (comparator group) were propensity score matched at a ratio of 1:2 by demographic data, comorbidities, medications, and the index date. We used Cox proportional hazards models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). Several sensitivity analyses were done for cross-validation of our findings.
RESULTS: We identified 15,512 HT patients and matched 31,024 individuals. The incidence rate ratio of SLE was 3.58 (95% CI, 2.43-5.28; p < 0.01). Several sensitivity analyses show adjusted hazard ratio (aHR) (CIs) of 4.35 (3.28-5.76), 4.39 (3.31-5.82), 5.11 (3.75-6.98), and 4.70 (3.46-6.38), consistent with the results of the main model.
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.