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Association between thyroid dysfunction and dysglycaemia: a prospective cohort study.

C-H Chang1,2,3, Y-C Yeh1, S-R Shih2,3

  • 1Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei.

Diabetic Medicine : a Journal of the British Diabetic Association
|July 16, 2017
PubMed
Summary
This summary is machine-generated.

Elevated thyroid-stimulating hormone (TSH) levels increase prediabetes risk. Further research is needed to determine if high TSH also elevates diabetes risk. Thyroid function did not impact glucose metabolism abnormalities.

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Area of Science:

  • Endocrinology
  • Metabolic Health
  • Thyroid Function

Background:

  • Thyroid dysfunction is common and can affect metabolic processes.
  • The relationship between thyroid-stimulating hormone (TSH) levels and glucose metabolism requires further elucidation.
  • Understanding these links is crucial for managing metabolic and endocrine disorders.

Purpose of the Study:

  • To investigate the incidence of hyperglycemia in individuals with varying serum TSH concentrations.
  • To examine the incidence of abnormal thyroid function tests in individuals with normal blood glucose and hyperglycemia.
  • To assess the association between dysglycemia and incident abnormal thyroid function tests.

Main Methods:

  • Prospective cohort study of 72,003 participants.
  • Follow-up for incident diabetes and prediabetes.
  • Proportional hazards regression models adjusted for multiple risk factors.
  • Analysis of the association between dysglycemia and abnormal thyroid function tests.

Main Results:

  • Elevated TSH was associated with a significantly higher incidence of prediabetes (aHR 1.15, 95% CI 1.04-1.26).
  • No increased risk of developing diabetes was observed in participants with elevated TSH.
  • Participants with normal and low TSH showed similar dysglycemia risks.
  • No increased risk of abnormal thyroid function tests was found in individuals with diabetes or prediabetes.

Conclusions:

  • Elevated serum TSH concentrations are linked to an increased risk of developing prediabetes.
  • Longer follow-up may be necessary to confirm if elevated TSH also increases the risk of developing diabetes.
  • Dysglycemia does not appear to increase the risk of abnormal thyroid function tests.