Thyroid disease

Subclinical Thyroid Dysfunction and Mortality in an Older, Community‐Dwelling Population—Results of the PolSenior Study

Clin Endocrinol (Oxf)Published Prospective cohort study

Main finding · Overall mortality, multivariate modelResult — go to the resultHazard ratio 1.43 95% CI 0.98–2.07

Authors' conclusion

Our study showed that women with subclinical hyperthyroidism had a higher mortality rate. At the same time, men with treated hypothyroidism had improved survival compared to those in the euthyroid group among participants aged 65 years and older during a 5-year follow-up period. Subclinical hypothyroidism did not influence the survival rates.

Study context

Population
Adults aged 65 years and older, PolSenior study407 with thyroid disorders
Participants
305 / 102 / 2,776
Exposure
Treated and untreated subclinical thyroid dysfunction vs euthyroid
  • Hypothyroidismn = 305
  • Hyperthyroidismn = 102
  • Euthyroidn = 2,776reference
Outcome
Overall mortality
Follow-up
5 years
Methodological detailscommunity-dwelling, Cox proportional hazard regression, Kaplan-Meier estimates stratified by sex and hypo-/hyperthyroidism status
  • Community-dwelling
  • Cox proportional hazard regression
  • Kaplan-Meier estimates stratified by sex and hypo-/hyperthyroidism status

Main finding

Overall mortality, multivariate model

Hazard ratio

1.43

95% CI 0.98–2.07

P = 0.06

Subclinical hyperthyroidism (women)vs Euthyroid
HR 1.43 (95% CI 0.98–2.07); P = 0.06

As reported in the abstract

Observational data: associations, not effects.

Original publication

Subclinical Thyroid Dysfunction and Mortality in an Older, Community‐Dwelling Population—Results of the PolSenior Study. Clin Endocrinol (Oxf). Published 24 February 2025. doi:10.1111/cen.15220

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