Evidence map›Paper›PMID 39160542›Full record

ArticleBMC public health2024

Spatial Markov matrices for measuring the spatial dependencies of an epidemiological spread : case Covid'19 Madagascar.

Stefana Tabera Tsilefa, Angelo Raherinirina

Erratum issuedAbstract read
In one paragraph

Article in BMC public health, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing 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

3 citing papers in PubMed.

  1. Article
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Stefana Tabera TsilefaCentre de Recherche sur l'Enseignement des Mathématiques(CREM), Ecole Normale Supérieure, Fianarantsoa, Madagascar. tsilefastefana@gmail.com.
Angelo RaherinirinaCentre de Recherche sur l'Enseignement des Mathématiques(CREM), Ecole Normale Supérieure, Fianarantsoa, Madagascar.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis article applies a variant of the Markov chain that explicitly incorporates spatial effects. It is an extension of the Markov class allowing a more complete analysis of the spatial dimensions of transition dynamics. The aim is to provide a methodology for applying the explicit model to spatial dependency analysis.

methodsHere, the question is to study and quantify whether neighborhood context affects transitional dynamics. Rather than estimating a homogeneous law, the model requires the estimation of k transition laws each dependent on spatial neighbor state. This article used published data on confirmed cases of Covid'19 in the 22 regions of Madagascar. These data were discretized to obtain a discrete state of propagation intensity.

resultsThe analysis gave us the transition probabilities between Covid'19 intensity states knowing the context of neighboring regions, and the propagation time laws knowing the spatial contexts. The results showed that neighboring regions had an effect on the propagation of Covid'19 in Madagascar.

conclusionAfter analysis, we can say that there is spatial dependency according to these spatial transition matrices.

Indexed as

COVID-19Markov ChainsSpatial AnalysisHumansMadagascarSARS-CoV-2Covid’19 MadagascarMarkov chainSpatial epidemiologySpatial markov matrices

Identifiers

PMID39160542
PMCPMC11331806

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.