Evidence map›Paper›PMID 25954900›Full record

ArticleNutrients2015

Determination of zinc status in humans: which indicator should we use?

Frank T Wieringa, Marjoleine A Dijkhuizen, Marion Fiorentino, Arnauld Laillou, Jacques Berger

Abstract read
In one paragraph

Article in Nutrients, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed, 4 pooled it
–field-weighted citation impact
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

42 citing papers in PubMed, 4 syntheses or guidelines pooled it.

  1. Pooled it
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  4. Oral zinc for treating diarrhoea in children.The Cochrane database of systematic reviews · 2016
    Pooled it
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  18. Prenatal Zinc Deficient Mice as a Model for Autism Spectrum Disorders.International journal of molecular sciences · 2022
    Review
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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

5 authors.

Frank T WieringaInstitute of Research for Development (IRD), UMR Nutripass IRD-UM2-UM1, 911 Avenue d'Agropolis, 34394 Montpellier, France. franck.wieringa@ird.fr.
Marjoleine A DijkhuizenDepartment of Nutrition, Exercise and Sports (NEXS), Copenhagen University, Rolighedsvej 26, 1958 Frederiksberg, Denmark. madijkhuizen@gmail.com.
Marion FiorentinoInstitute of Research for Development (IRD), UMR Nutripass IRD-UM2-UM1, 911 Avenue d'Agropolis, 34394 Montpellier, France. marionfiorentino@hotmail.com.
Arnauld LaillouUNICEF, Maternal Child Health and Nutrition Section, No.11 street 75, 12200 Phnom Penh, Cambodia. alaillou@unicef.org.
Jacques BergerInstitute of Research for Development (IRD), UMR Nutripass IRD-UM2-UM1, 911 Avenue d'Agropolis, 34394 Montpellier, France. Jacques.Berger@ird.fr.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Zinc deficiency has serious wide-ranging health consequences and is thought to be one of the most prevalent micronutrient deficiencies in the world. However, reliable indicators or biomarkers to assess zinc status are not available at present. Indirect indicators such as the prevalence of stunting or anemia, iron deficiency, as well as more direct indicators such as plasma zinc concentrations are being used at present to estimate the prevalence of zinc deficiency in populations. However, as this paper shows by using data from a recent national micronutrient survey in Vietnam, the estimates of the prevalence of zinc deficiency using these different indicators can vary widely, leading to inconsistencies. In this paper, zinc deficiency among children is four times more prevalent than iron deficiency and 2.3 times more than stunting prevalence for example. This can lead not only to confusion concerning the real extent of the prevalence of zinc deficiency in populations, but also makes it hard to inform policy on whether action is needed or not. Moreover, evaluation of programs is hampered by the lack of a clear indicator. Efforts should be made to identify the most suitable indicator to evaluate the impact of programs aimed at improving zinc status and health of populations.

Indexed as

Anemia, Iron-DeficiencyDeficiency DiseasesGrowth DisordersNutritional StatusNutrition AssessmentAdultBiomarkersChildChild, PreschoolEpidemiologic MethodsFemaleHumansPrevalenceVietnamZincBiomarkersZinc

Identifiers

PMID25954900
PMCPMC4446750

What OpenQuestion holds

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LicenceCC BY
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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.