Evidence map›Paper›PMID 34260964›Full record

SynthesisThe Journal of infection2021

Incidence of non-typhoidal Salmonella invasive disease: A systematic review and meta-analysis.

Christian S Marchello, Fabio Fiorino, Elena Pettini, John A Crump, Vacc-iNTS Consortium Collaborators

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in The Journal of infection, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed, 3 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

55 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Prevalence and distribution of non-typhoidalEpidemiology and infection · 2023
    Pooled it
  3. Pooled it
  4. Review
  5. Article
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  11. Commentary: A rare case report ofFrontiers in pediatrics · 2026
    Article
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  14. The Antibacterial Effect and Mechanism of a Bacteriocin Produced byJournal of microbiology and biotechnology · 2025
    Article
  15. 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.

Christian S MarchelloCentre for International Health, University of Otago, PO Box 56, Dunedin 9054, New Zealand.
Fabio FiorinoUniversity of Siena, Siena, Italy.
Elena PettiniUniversity of Siena, Siena, Italy.
John A CrumpCentre for International Health, University of Otago, PO Box 56, Dunedin 9054, New Zealand. Electronic address: john.crump@otago.ac.nz.
Vacc-iNTS Consortium Collaborators

Funding

Investigating Febrile Deaths in Tanzania (INDITe)R01AI121378 · NIAID · DUKE UNIVERSITY · PI RUBACH, MATTHEW P · 2016 to 2020
$2.7M
NIAID NIH HHS R01 AI121378Wellcome Trust
6 · The paper itself

Abstract

objectivesWe sought to collate and summarize high-quality data on non-typhoidal Salmonella invasive disease (iNTS) incidence to provide contemporary incidence estimates by location and year.

methodsWe systematically searched the databases Embase + MEDLINE, Web of Science, and PubMed for articles published on the incidence of iNTS from inception of the database through 8 May 2020 with no language, country, date, or demographic restrictions applied. A meta-analysis was performed to report pooled iNTS incidence as a rate of cases per 100,000 per year.

resultsAmong 13 studies eligible for analysis, there were 68 estimates of incidence. Overall pooled incidence (95% CI) was 44.8 (31.5-60.5) per 100,000 persons per year. When stratified by region, pooled incidence was significantly higher in Africa than Asia, 51.0 (36.3-68.0) compared to 1.0 (0.2-2.5), respectively. Incidence was consistently higher in children aged <5 years compared with older age groups. Incidence displayed considerable heterogeneity in both place and time, varying substantially between locations and over consecutive years in the same location.

conclusionsiNTS incidence varies by region, location, age group, and over time. Concerted efforts are needed to address the limited high-quality data available on iNTS disease incidence.

Indexed as

Salmonella InfectionsAfricaAgedAsiaChildHumansIncidenceSalmonellaIncidenceMeta-analysisNon-typhoidal SalmonellaSystematic review

Identifiers

PMID34260964
PMCPMC8627500

What OpenQuestion holds

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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.