Evidence map›Paper›PMID 26867661›Full record

ArticleMalaria journal2016

Effectiveness of malaria control interventions in Madagascar: a nationwide case-control survey.

Thomas Kesteman, Milijaona Randrianarivelojosia, Vaomalala Raharimanga, Laurence Randrianasolo, Patrice Piola, Christophe Rogier

Open access · goldAbstract read
In one paragraph

Article in Malaria journal, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed, 1 pooled it
2.4field-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

14 citing papers in PubMed, 1 synthesis or guideline pooled it, 26 citations in OpenAlex.

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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

6 authors at 3 institutions in 2 countries.

Thomas KestemanMalaria Research Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. thomask@pasteur.mg.
Milijaona RandrianarivelojosiaMalaria Research Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. milijaon@pasteur.mg.
Vaomalala RaharimangaEpidemiology Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. rvmalala@pasteur.mg.
Laurence RandrianasoloEpidemiology Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. laurence@pasteur.mg.
Patrice PiolaEpidemiology Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. ppiola@pasteur.mg.
Christophe RogierMalaria Research Unit, Institut Pasteur de Madagascar, BP 1274, 101, Avaradoha, Antananarivo, Madagascar. crogier@pasteur.mg.
Institut Pasteur de Madagascar · MGService de Santé des Armées · FRUnité de Recherche sur les Maladies Infectieuses et Tropicales Emergentes · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMadagascar, as other malaria endemic countries, depends mainly on international funding for the implementation of malaria control interventions (MCI). As these funds no longer increase, policy makers need to know whether these MCI actually provide the expected protection. This study aimed at measuring the effectiveness of MCI deployed in all transmission patterns of Madagascar in 2012-2013 against the occurrence of clinical malaria cases.

methodsFrom September 2012 to August 2013, patients consulting for non-complicated malaria in 31 sentinel health centres (SHC) were asked to answer a short questionnaire about long-lasting insecticidal nets (LLIN) use, indoor residual spraying (IRS) in the household and intermittent preventive treatment of pregnant women (IPTp) intake. Controls were healthy all-ages individuals sampled from a concurrent cross-sectional survey conducted in areas surrounding the SHC. Cases and controls were retained in the database if they were resident of the same communes. The association between Plasmodium infection and exposure to MCI was calculated by multivariate multilevel models, and the protective effectiveness (PE) of an intervention was defined as 1 minus the odds ratio of this association.

resultsData about 841 cases (out of 6760 cases observed in SHC) and 8284 controls was collected. The regular use of LLIN provided a significant 51 % PE (95 % CI [16-71]) in multivariate analysis, excluding in one transmission pattern where PE was -11 % (95 % CI [-251 to 65]) in univariate analysis. The PE of IRS was 51 % (95 % CI [31-65]), and the PE of exposure to both regular use of LLIN and IRS was 72 % (95 % CI [28-89]) in multivariate analyses. Vector control interventions avoided yearly over 100,000 clinical cases of malaria in Madagascar. The maternal PE of IPTp was 73 %.

conclusionsIn Madagascar, LLIN and IRS had good PE against clinical malaria. These results may apply to other countries with similar transmission profiles, but such case-control surveys could be recommended to identify local failures in the effectiveness of MCI.

Indexed as

Mosquito ControlAdolescentAdultChildCross-Sectional StudiesFemaleHumansInsecticide-Treated BednetsMadagascarMalariaMaleYoung Adult

Identifiers

PMID26867661
PMCPMC4751752
OpenAlexW2260615675

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

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.