Evidence map›Paper›PMID 33872646›Full record

ArticleEnvironmental research2021

Serum selenium and non-alcoholic fatty liver disease (NAFLD) in U.S. adults: National Health and Nutrition Examination Survey (NHANES) 2011-2016.

Xin Wang, Young Ah Seo, Sung Kyun Park

Open access · greenAbstract read
In one paragraph

Article in Environmental research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed, 1 pooled it
9.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

66 citing papers in PubMed, 1 synthesis or guideline pooled it, 117 citations in OpenAlex.

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6 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

Xin WangDepartment of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA. Electronic address: xwangsph@umich.edu.
Young Ah SeoDepartment of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
Sung Kyun ParkDepartment of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA; Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA.
University of Michigan · US

Funding

Regional Pilot And Feasibility Study Grants ProgramP30DK020572 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Mehboob A Hussain · 2013 to 2026
$24.3M
Strategic Vision & Impact on Environmental HealthP30ES017885 · NIEHS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Dana Dolinoy · 2011 to 2026
$21.3M
Research BaseP30DK092926 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI MARY ELLEN MICHELE HEISLER, ADESUWA B OLOMU · 2011 to 2026
$10.0M
Manganese in Inflammatory Bowel DiseaseR01DK123022 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Young Ah Seo · 2020 to 2026
$3.2M
Exposure to Multipollutants and Obesity, Type-2 Diabetes and Metabolic SyndromeR01ES026578 · NIEHS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI PARK, SUNG KYUN · 2016 to 2020
$2.4M
A Longitudinal Study of Endocrine Disruptor Mixtures and Reproductive AgingR01ES026964 · NIEHS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI PARK, SUNG KYUN · 2016 to 2021
$2.4M
Exploring the Roles of Manganese in NeuronsR21NS112974 · NINDS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI SEO, YOUNG AH · 2020 to 2020
$429k
NIDDK NIH HHS P30 DK020572NIDDK NIH HHS P30 DK092926NIDDK NIH HHS R01 DK123022NIEHS NIH HHS P30 ES017885NIEHS NIH HHS R01 ES026578NIEHS NIH HHS R01 ES026964NINDS NIH HHS R21 NS112974
6 · The paper itself

Abstract

backgroundSelenium is an essential trace element that shows beneficial or adverse health effects depending on the dose. Laboratory studies suggest that high selenium may contribute to the development of non-alcoholic fatty liver disease (NAFLD). However, human evidence is limited. We evaluated the associations of serum selenium level with serum alanine aminotransferase (ALT) activity and suspected NAFLD prevalence in U.S. adults.

methodsWe conducted the cross-sectional analysis in 3827 adults aged 20 years and older without viral hepatitis, hemochromatosis, or alcoholic liver disease who participated in the National Health and Nutrition Examination Survey (NHANES) 2011-2012, 2013-2014, and 2015-2016. Serum selenium was measured using inductively coupled plasma dynamic reaction cell mass spectrometry. Suspected NAFLD cases were defined in the presence of serum ALT >30 international units (IU)/L in men and >19 I.U./L in women in the absence of other identifiable causes of liver disease.

resultsThe median (interquartile range) of serum selenium level was 127.9 (117.9, 139.4) μg/L. Non-linear associations of serum selenium with NAFLD prevalence and serum ALT activity were observed in the generalized additive models with penalized splines. After adjustment for sociodemographic variables, lifestyle factors, body mass index, and NHANES survey cycles, positive associations were found at > ~130 μg/L serum selenium with both NAFLD and ALT, whereas the associations were flattened at < ~130 μg/L.

conclusionsOur findings provide evidence of non-linear associations of serum selenium with ALT activity and NAFLD prevalence. In particular, positive associations were found above serum selenium level of 130 μg/L, whereas no association was observed below this value. This finding requires confirmation in future prospective cohort studies.

Indexed as

Non-alcoholic Fatty Liver DiseaseSeleniumAdultAlanine TransaminaseCross-Sectional StudiesFemaleHumansMaleNutrition SurveysPrevalenceProspective StudiesAlanine TransaminaseSeleniumAlanine aminotransferaseEpidemiologyNAFLDNHANESSelenium

Identifiers

PMID33872646
PMCPMC8187321
OpenAlexW3156911490

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.