Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China

Abstract Background The relationship between thyroid nodules (TNs) and adiposity is controversial. This paper describes a cross-sectional investigation performed to determine the existence of any such relationship. To assess adiposity, body mass index (BMI) and visceral fat area (VFA) were utilized....

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Main Authors: Hui-xia Yang, Yu Zhong, Wei-hua Lv, Feng Zhang, Hong Yu
Format: Article
Language:English
Published: BMC 2019-10-01
Series:BMC Endocrine Disorders
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12902-019-0430-z
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author Hui-xia Yang
Yu Zhong
Wei-hua Lv
Feng Zhang
Hong Yu
author_facet Hui-xia Yang
Yu Zhong
Wei-hua Lv
Feng Zhang
Hong Yu
author_sort Hui-xia Yang
collection DOAJ
description Abstract Background The relationship between thyroid nodules (TNs) and adiposity is controversial. This paper describes a cross-sectional investigation performed to determine the existence of any such relationship. To assess adiposity, body mass index (BMI) and visceral fat area (VFA) were utilized. Methods Between January 1, 2017 and March 3, 2019. Three thousand five hundred thirty four healthy people were examined using thyroid ultrasonography, visceral fat and anthropometric measurements, laboratory tests and questionnaire interview. Binary logistic regression analyses were used. Results Of the 3534 healthy subjects, 58.69% (2074/3534) of the subjects had TNs. A total of 55.91% (1976/3534) had BMI ≥ 25 kg/m2 and 39.67% (1402/3534) had VFA ≥ 100 cm2. After adjustment to address confounders, BMI-based overweight and obesity levels only correlated with higher risk TNs when used as a continuous variable (OR = 1.031, 95% CI: 1.008–1.055, P = 0.008), while VFA was both a continuous variable (OR = 1.003, 95% CI: 1.000–1.005, P = 0.034) and a categorical variable (OR = 1.198, 95% CI: 1.014–1.417, P = 0.034) associated with significantly elevated risk of TNs. Analyzing the subgroups, BMI ≥ 25 kg/m2 (OR = 1.500, 95% CI: 1.110–2.026, P = 0.008) was significantly correlated with TN risk in individuals with TG ≥ 1.7 mmol/L. VFA ≥ 100 cm2 correlated with the TN risk irrespective of age (< 50 years: OR = 1.374, 95% CI: 1.109–1.703, P = 0.004; ≥ 50 years: OR = 1.367, 95% CI: 1.063–1.759, P = 0.015) and in the following subgroups: women (OR = 4.575, 95% CI: 2.558–8.181, P = 0.000), FBG ≥ 6.1 mmol/L (OR = 1.522, 95% CI: 1.048–2.209, P = 0.027), and TG ≥ 1.7 mmol/L (OR = 1.414, 95% CI: 1.088–1.838, P = 0.010). Conclusions Adiposity correlates with TNs. To assess TN risk in Chinese individuals, VFA is better than BMI.
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spelling doaj.art-920f2552b6be4767aed1059d1353fc682022-12-21T19:17:07ZengBMCBMC Endocrine Disorders1472-68232019-10-011911810.1186/s12902-019-0430-zAssociation of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, ChinaHui-xia Yang0Yu Zhong1Wei-hua Lv2Feng Zhang3Hong Yu4Beijing Rehabilitation Hospital, Capital Medical UniversityBeijing Rehabilitation Hospital, Capital Medical UniversityBeijing Rehabilitation Hospital, Capital Medical UniversityBeijing Rehabilitation Hospital, Capital Medical UniversityBeijing Rehabilitation Hospital, Capital Medical UniversityAbstract Background The relationship between thyroid nodules (TNs) and adiposity is controversial. This paper describes a cross-sectional investigation performed to determine the existence of any such relationship. To assess adiposity, body mass index (BMI) and visceral fat area (VFA) were utilized. Methods Between January 1, 2017 and March 3, 2019. Three thousand five hundred thirty four healthy people were examined using thyroid ultrasonography, visceral fat and anthropometric measurements, laboratory tests and questionnaire interview. Binary logistic regression analyses were used. Results Of the 3534 healthy subjects, 58.69% (2074/3534) of the subjects had TNs. A total of 55.91% (1976/3534) had BMI ≥ 25 kg/m2 and 39.67% (1402/3534) had VFA ≥ 100 cm2. After adjustment to address confounders, BMI-based overweight and obesity levels only correlated with higher risk TNs when used as a continuous variable (OR = 1.031, 95% CI: 1.008–1.055, P = 0.008), while VFA was both a continuous variable (OR = 1.003, 95% CI: 1.000–1.005, P = 0.034) and a categorical variable (OR = 1.198, 95% CI: 1.014–1.417, P = 0.034) associated with significantly elevated risk of TNs. Analyzing the subgroups, BMI ≥ 25 kg/m2 (OR = 1.500, 95% CI: 1.110–2.026, P = 0.008) was significantly correlated with TN risk in individuals with TG ≥ 1.7 mmol/L. VFA ≥ 100 cm2 correlated with the TN risk irrespective of age (< 50 years: OR = 1.374, 95% CI: 1.109–1.703, P = 0.004; ≥ 50 years: OR = 1.367, 95% CI: 1.063–1.759, P = 0.015) and in the following subgroups: women (OR = 4.575, 95% CI: 2.558–8.181, P = 0.000), FBG ≥ 6.1 mmol/L (OR = 1.522, 95% CI: 1.048–2.209, P = 0.027), and TG ≥ 1.7 mmol/L (OR = 1.414, 95% CI: 1.088–1.838, P = 0.010). Conclusions Adiposity correlates with TNs. To assess TN risk in Chinese individuals, VFA is better than BMI.http://link.springer.com/article/10.1186/s12902-019-0430-zAdiposityThyroid nodulesBody mass indexVisceral fat area
spellingShingle Hui-xia Yang
Yu Zhong
Wei-hua Lv
Feng Zhang
Hong Yu
Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
BMC Endocrine Disorders
Adiposity
Thyroid nodules
Body mass index
Visceral fat area
title Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
title_full Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
title_fullStr Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
title_full_unstemmed Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
title_short Association of adiposity with thyroid nodules: a cross-sectional study of a healthy population in Beijing, China
title_sort association of adiposity with thyroid nodules a cross sectional study of a healthy population in beijing china
topic Adiposity
Thyroid nodules
Body mass index
Visceral fat area
url http://link.springer.com/article/10.1186/s12902-019-0430-z
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