Thyroid disease

Associations Between Sensitivity to Thyroid Hormones and Visceral Adiposity in Euthyroid Adults

J Clin Endocrinol MetabPublished Cross-sectional study

Authors' conclusion

Reduced central TH sensitivity was associated with increased visceral adiposity in women but not men. Our findings supplemented the evidence of the importance of TH sensitivity to metabolic disorders, especially among women.

Study context

Population
Euthyroid adults (normal thyroid function); 5411 men and 5749 women5,411 men · 5749 women
Exposure
Highest vs lowest tertiles of central thyroid hormone (TH) sensitivity indices
Outcome
Association of TH sensitivity with obesity assessed by BMI and VAI (high VAI)
Methodological detailsstratified by sex, logistic and linear regressions
  • Stratified by sex
  • Logistic and linear regressions

Main finding

As reported in the abstract

High VAI in women, highest vs lowest tertile

Odds

1.21

95% CI 1.02–1.44P = 0.03

Highest TFQI tertile (women) vs Lowest tertile (women)

Odds

1.43

95% CI 1.20–1.70P < 0.001

Highest TSH index (TSHI) tertile (women) vs Lowest tertile (women)

Odds

1.47

95% CI 1.23–1.75P < 0.001

Highest thyrotrophic T4 resistance index (TT4RI) tertile (women) vs Lowest tertile (women)

Observational data: associations, not effects.

Further findings

OutcomeDifference (kg/m²)P value
BMI in men, highest vs lowest TT4RI tertile1P = 0.001
  • Body mass index (BMI) in men, highest vs lowest TT4RI tertile: higher BMI with highest tertile; adjusted for age, hypertension, hyperlipidemia, diabetes, hyperuricemia, renal function

BMI across other tertiles

No significant difference in BMI across tertiles of TFQI and TSHI in men, and TFQI, TSHI and TT4RI in women after adjustment

Original publication

Associations Between Sensitivity to Thyroid Hormones and Visceral Adiposity in Euthyroid Adults. J Clin Endocrinol Metab. Published 18 November 2024. doi:10.1210/clinem/dgae806

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