Does thyroid autoimmunity, specifically the presence of thyroid peroxidase antibodies (TPOAbs), independently affect the risk of coronary heart disease (CHD) in individuals with subclinical hypothyroidism?
Thyroid, a prospective cohort study in 38,274 participants (J Clin Endocrinol Metab 2014, PMID 24915118) — among 38,274 adults, 1691 (4.4%) had subclinical hypothyroidism, with 775 (45.8%) of these having positive TPOAbs. Similarly, risks of CHD events did not differ by TPOAb status (HR 1.16 vs HR 1.26).
Source: J Clin Endocrinol Metab 2014, PMID 24915118 ↗ · Research map · How Magellan grades evidence · evidence confidence: high
J Clin Endocrinol Metab · 2014 · PMID 24915118 · DOI 10.1210/jc.2014-1250
Thyroid antibody status does not independently predict coronary heart disease risk in individuals with subclinical hypothyroidism.
The question
Does thyroid autoimmunity, specifically the presence of thyroid peroxidase antibodies (TPOAbs), independently affect the risk of coronary heart disease (CHD) in individuals with subclinical hypothyroidism?
What they tested
The study aimed to compare the CHD risk in subclinical hypothyroidism with and without TPOAbs to determine if thyroid autoimmunity independently affects CHD risk.
How they did it
A MEDLINE and EMBASE search from 1950 to 2011 was conducted to identify prospective cohorts reporting baseline thyroid function, antibodies, and CHD outcomes. Individual data from 38,274 participants across six cohorts were analyzed for CHD mortality, and 33,394 participants from four cohorts for CHD events.
What they found
Among 38,274 adults, 1691 (4.4%) had subclinical hypothyroidism, with 775 (45.8%) of these having positive TPOAbs. Compared with euthyroid individuals, age- and gender-adjusted risks of CHD mortality in subclinical hypothyroidism were similar for those with and without TPOAbs (HR 1.15 vs HR 1.26). Similarly, risks of CHD events did not differ by TPOAb status (HR 1.16 vs HR 1.26). Risks of CHD mortality and events increased with higher thyrotropin levels, but within each thyrotropin stratum, risks did not differ by TPOAb status.
| CHD Mortality (No TPOAbs) | 1.15 | |
|---|---|---|
| CHD Mortality (Positive TPOAbs) | 1.26 | |
| CHD Events (No TPOAbs) | 1.16 | |
| CHD Events (Positive TPOAbs) | 1.26 |
Hazard ratios for CHD mortality and events in individuals with subclinical hypothyroidism, stratified by thyroid peroxidase antibody (TPOAb) status, compared to euthyroid individuals.
What it means
The risk of coronary heart disease associated with subclinical hypothyroidism did not differ based on thyroid peroxidase antibody status. This suggests that biomarkers of thyroid autoimmunity do not provide independent prognostic information for CHD outcomes.
Limitations
The abstract does not explicitly state any limitations of the study.
Where the published abstract does not list limitations, we say so rather than inventing them. Read the full paper on PubMed before drawing conclusions.
The paper at a glance
| Title | Thyroid antibody status, subclinical hypothyroidism, and the risk of coronary heart disease |
|---|---|
| Journal | J Clin Endocrinol Metab |
| Year | 2014 |
| PMID | 24915118 ↗ |
| DOI | 10.1210/jc.2014-1250 ↗ |
| Topic | General aging biology & healthspan |
Read the source: PubMed record (authors, abstract, full citation) ↗ · Publisher via doi.org ↗
Where Magellan uses this paper
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Thyroid (TSH) Home Panel
Subclinical dysfunction raises coronary mortality. Research relevant to this mechanism is indexed on PubMed and linked below; it describes the mechanism rather than this specific product.
Cite this page
These citations point at this summary. To cite the original paper with its full author list, use the PubMed record or doi.org.
Magellan Longevity. (2026). Does thyroid autoimmunity, specifically the presence of thyroid peroxidase antibodies (TPOAbs), independently affect the risk of coronary heart disease (CHD) in individuals with subclinical hypothyroidism? [Plain-English summary of J Clin Endocrinol Metab 2014, PMID 24915118, DOI 10.1210/jc.2014-1250]. Magellan Longevity. https://magellanlongevity.com/study/d24915118.html@misc{magellan_d24915118,
title = {Does thyroid autoimmunity, specifically the presence of thyroid peroxidase antibodies (TPOAbs), independently affect the risk of coronary heart disease (CHD) in individuals with subclinical hypothyroidism?},
author = {{Magellan Longevity}},
year = {2026},
howpublished = {\url{https://magellanlongevity.com/study/d24915118.html}},
note = {Plain-English summary of PubMed PMID 24915118; DOI 10.1210/jc.2014-1250; J Clin Endocrinol Metab 2014. Reviewed by Gabriel Radu, DO},
urldate = {2026-08-11}
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