Evidence map›Paper›PMID 39428657›Full record

SynthesisPublic health nutrition2024

Biochemical assessment of the nutritional status of infants, children and adolescents in South Africa (1997-2022): a systematic review.

Linda Malan, Lizelle Zandberg, Marina V Visser, Mariaan Wicks, H Salome Kruger, Mieke Faber

Abstract readSystematic Review
In one paragraph

Synthesis in Public health nutrition, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–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

5 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Observational
  5. Article
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

6 authors.

Linda MalanCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.ORCID 0000-0001-6609-0238
Lizelle ZandbergCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.
Marina V VisserCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.
Mariaan WicksCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.
H Salome KrugerCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.ORCID 0000-0002-5365-1777
Mieke FaberCentre of Excellence for Nutrition, North-West University, Potchefstroom2520, South Africa.ORCID 0000-0002-8878-254X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo conduct a systematic review of the published peer-reviewed articles on the biochemical assessment of nutritional status of South African infants, children and adolescents in 1997-2022.

designOnline databases (Pubmed, CINAHL, EbscoHost and SAePublications) were used to identify thirty-nine papers.

settingSouth Africa, 1997-2022.

participantsInfants, children and adolescents.

resultsVitamin A deficiency prevalence was 35-67 % before 2001 and mostly below 16 % after 2008. Anaemia ranged from 5·4 to 75·0 %, with 36-54 % of infants below 1 year being anaemic. Among 0- to 6-year-olds, iron deficiency (ID) was 7·2-39·4 % in rural and 16-41·9 % in urban areas. Zn deficiency remained high, especially among 0- to 6-year-olds, at 39-48 %. Iodine insufficiency (UIC < 100 µg/l) was between 0 and 28·8 %, with excessive levels in two areas. Vitamin D deficiency was 5 % for 11- to 17-year-olds in one urban study but 33-87 % in under 10-week-old infants. The 2005 national survey reported sufficient folate status among 0- to 6-year-olds, and vitamin B

conclusionsVitamin A status may have improved meaningfully during the last 25 years in South Africa to below 16 %, and iodine and folate deficiency appears to be low particularly among 0- to 6-year-olds. However, confirmation is needed by a national survey. Anaemia, Fe and Zn deficiencies still pose severe problems, especially among 0- to 6-year-olds. Sufficient data on vitamin D and B

Indexed as

Nutritional StatusVitamin A DeficiencyVitamin D DeficiencyAdolescentAnemia, Iron-DeficiencyChildChild, PreschoolFemaleFolic Acid DeficiencyHumansInfantInfant, NewbornIodineMalePrevalenceSouth AfricaIodineZincAdolescentsChildrenInfantsInflammationMicronutrient deficienciesNutritional status biomarkersSouth Africa

Identifiers

PMID39428657
PMCPMC11604332

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Registered trials

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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.