Cited by 100Thyroid Disorders and TreatmentsDiabetes, Cardiovascular Risks, and LipoproteinsHormonal and reproductive studies

Serum TSH Level in Healthy Koreans and the Association of TSH with Serum Lipid Concentration and Metabolic Syndrome

Open access
Lee, Yeo Kyung, Kim, Jo Eun, Oh, Hyun Ju, Park, Kyung Sun, Kim, Soo Kyung, Park, Seok Won, Kim, Moon Jong, Cho, Yong Wook·2011·The Korean Journal of Internal Medicine

Abstract

BACKGROUND/AIMS: The proper treatment of subclinical hypothyroidism and the normal range of serum thyroid stimulating hormone (TSH) concentration are intensely debated. However, few reports have investigated TSH concentrations in Asian ethnic groups. Therefore, the present study was designed to define the TSH reference range in a Korean population and to investigate the metabolic significance of TSH concentration. METHODS: We enrolled patients who underwent medical examination at the CHA Bundang Medical Center. Anthropometric data were evaluated, and serum TSH, free T4, and lipid profiles were assayed. RESULTS: A total of 7,270 subjects were included. Mean TSH concentration of the study population was 1.82 ± 0.95 mU/L, and we observed a sex-related difference in TSH concentration (male, 1.67 ± 0.87 mU/L; female, 2.02 ± 1.01 mU/L; p < 0.01). When the 2.5 and 97.5 percentiles were calculated, 95% TSH reference limits were 0.52-4.29 mU/L. TSH concentration was higher in elderly subjects, during winter, in postmenopausal women, and in obese males. Moreover, TSH showed significantly positive correlations with serum total cholesterol, triglyceride, and low density lipoprotein cholesterol regardless of sex, age, season, obesity, or menopausal status (all p < 0.01). Finally, TSH concentration was positively related to the prevalence of metabolic syndrome. CONCLUSIONS: We demonstrated the association between TSH concentration within the normal reference range and serum lipid levels. TSH concentration varies according to sex, age, season, and body mass index (only in males). Moreover, high normal TSH levels were significantly associated with an increased prevalence of metabolic syndrome, which may be of importance when evaluating subjects with high normal TSH concentration.

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Integrity signals

Registry

Crossref · 10.3904/kjim.2011.26.4.432

Cites

31 of 31 references verified0 citation errors · 0 not checkable

Statistics

Claims the paper makes

The claims and statistics of this paper haven’t been checked yet.

Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.

A few free checks a day · papers already verified open instantly · results are public

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

Self-check

Percentages, sums and reported differences re-computed from the paper’s own numbers.

The self-check needs the paper’s full text.

Cites

Flagged first, then by citations

1 of the 32 references couldn’t be matched to a known paper.

Cited by

Sorted by citations

Authors
Lee, Y. K., Kim, J. E., Oh, H. J., Park, K. S., Kim, S. K., Park, S. W., Kim, M. J., & Cho, Y. W.
Affiliations
CHA University (KR)
Corresponding author
Cho, Yong Wook
Venue
The Korean Journal of Internal Medicine
Published
2011
Volume
26
Issue
4
Pages
432
ISSN
  • 1226-3303 (ISSN-L)
  • 2005-6648
OpenAlex
W2158811811
Cited by
100
References
32
Citations by year
2025: 2 · 2024: 7 · 2023: 7 · 2022: 2 · 2021: 3 · 2020: 10 · 2019: 11 · 2018: 8 · 2017: 12 · 2016: 10 · 2015: 10 · 2014: 5 · 2013: 12 · 2012: 1
FWCI
4.72
Type
journal article
Language
en
Open access
Locations
  • The Korean Journal of Internal Medicine (publishedVersion, cc-by-nc)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal and reproductive studies
Keywords
thyroid-stimulating hormone, TSH reference range, serum lipids, metabolic syndrome, subclinical hypothyroidism, sex differences, seasonal variation, obesity, postmenopausal women, total cholesterol, triglycerides, LDL cholesterol, healthy adults
MeSH terms
Adult, Aged, Aged, 80 and over, Analysis of Variance, Cross-Sectional Studies, Ethnicity, Female, Humans, Korea, Lipids, Male, Menopause, Middle Aged, Thyroid Function Tests, Thyrotropin, Body Mass Index, Risk Assessment, Metabolic Syndrome, Young Adult

About these checks

Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.

Statistics and arithmetic are recomputed, not judged.

Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.

What counts as a claim ›How we measure confidence ›How we check this ›

Are you an author, or do you see a problem with this page? Request a review