Evidence map›Paper›PMID 36183114›Full record

ArticleMalaria journal2022

Implication of asymptomatic and clinical Plasmodium falciparum infections on biomarkers of iron status among school-aged children in Malawi.

Peter A M Ntenda, Angeziwa C Chirambo, Owen Nkoka, Walaa M El-Meidany, Jessy Goupeyou-Youmsi

Open access · goldAbstract read
In one paragraph

Article in Malaria journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
2.1field-weighted citation impact, top 11% 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

8 citing papers in PubMed, 1 synthesis or guideline pooled it, 14 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Longitudinal changes in iron homeostasis in human experimental and clinical malaria.medRxiv : the preprint server for health sciences · 2023
    Article
  8. Review
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 at 4 institutions in 3 countries.

Peter A M NtendaMalaria Alert Centre, Kamuzu University of Health Sciences, Private Bag 360, Chichiri, Blantyre 3, Malawi. pntenda@mac.kuhes.ac.mw.
Angeziwa C ChiramboMalawi-Liverpool-Wellcome Trust Clinical Research Programme, P.O. Box 30096, Mahatma Ghandhi Road, Chichiri, Blantyre, Malawi.
Owen NkokaInstitute of Health and Wellbeing, University of Glasgow, Glasgow, G12 8QQ, UK.
Walaa M El-MeidanyDepartment of Nutrition, High Institute of Public Health, Alexandria University, Hiph 65 El-Horreya Avenue, El-Ibrahimia, Alexandria, Egypt.
Jessy Goupeyou-YoumsiMalaria Alert Centre, Kamuzu University of Health Sciences, Private Bag 360, Chichiri, Blantyre 3, Malawi.
Kamuzu University of Health SciencesAlexandria University · EGUniversity of Glasgow · GBUniversity of Liverpool · GB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIron status is considered as a continuum from an iron deficiency with anaemia, without anaemia, varying amounts of stored iron to iron overload. The burden of Plasmodium falciparum infections is typically high among school-aged children (SAC). Nonetheless, SAC are often less likely to be covered by malaria interventions, making them a group with an untreated reservoir of parasite transmission. This study aimed to assess the effects of asymptomatic and clinical malaria infections on biochemical markers of iron status among SAC in Malawi.

methodsData from the 2015-2016 Malawi Micronutrient Survey (MNS) was used and multivariable logistic regression models using a generalized estimating equation to account for the complex cluster survey design were constructed. Blood samples of 684 children aged 5 to 14 years old were evaluated for clinical and asymptomatic malaria infections. Furthermore, blood samples were used to estimate haemoglobin (Hb), serum ferritin (SF) and, soluble transferrin receptors (sTfR) concentrations.

resultsOf the 684 SAC analysed, approximately 42% had asymptomatic malaria, while 41.0% had clinical malaria. Anaemia (low Hb levels), iron deficiency (low SF concentration), and functional iron deficiency (high sTfR levels) were found in 20%, 5%, and 30% of the children, respectively. School-aged children with asymptomatic malaria had increased odds of being anaemic (adjusted odds ratio [aOR]: 3.71, 95% confidence interval [CI]: 2.29-5.99) and increased levels of sTfR (aOR: 3.00, 95% CI 2.01-4.47). Similarly, SAC with clinical malaria had increased odds of being anaemic (aOR: 3.54, 95% CI 2.19-5.72) and increased levels of sTfR (aOR: 3.02, 95% CI 2.02-4.52).

conclusionsBoth asymptomatic and clinical malaria were independent risk factors for anaemia and functional iron deficiency (FID). The notion that asymptomatic and clinical malaria were associated with both anaemia and FID underscores the need for public health programmers to consider adding mass screening and treatment for malaria to existing school-based health programmes.

Indexed as

AnemiaIron DeficienciesMalariaMalaria, FalciparumAdolescentBiomarkersChildChild, PreschoolFerritinsHemoglobinsHumansIronMalawiMicronutrientsPlasmodium falciparumReceptors, TransferrinBiomarkersFerritinsHemoglobinsIronMicronutrientsReceptors, TransferrinAnaemiaClinical malariaInflammationIron statusMalawiParasitemia

Identifiers

PMID36183114
PMCPMC9526385
OpenAlexW4298182338

What OpenQuestion holds

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LicenceCC BY
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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.