Evidence map›Paper›PMID 26077956›Full record

ArticleParasites & vectors2015

A comparative evaluation of the performance of commercially available rapid immunochromatographic tests for the diagnosis of visceral leishmaniasis in Bangladesh.

Prakash Ghosh, Md Golam Hasnain, Debashis Ghosh, Faria Hossain, James Baker, Marleen Boelaert, Suman Rijal, Dinesh Mondal

Open access · goldAbstract readComparative Study
In one paragraph

Article in Parasites & vectors, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
1.7field-weighted citation impact, top 15% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 17 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

8 authors at 3 institutions in 3 countries.

Prakash GhoshCenter for Nutrition and Food Security, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. dreamix888@gmail.com.
Md Golam HasnainCenter for Nutrition and Food Security, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. hasnain.abir@gmail.com.
Debashis GhoshCenter for Population Urbanization and Climate Change, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. deba.du@yahoo.com.
Faria HossainCenter for Nutrition and Food Security, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. faria109@gmail.com.
James BakerCenter for Nutrition and Food Security, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. james.icddrb@gmail.com.
Marleen BoelaertDepartment of Public Health, Institute of Tropical Medicine, Antwrep, Belgium. mboelaert@itg.be.
Suman RijalDrugs for Neglected Diseases initiative, New Delhi, India. sumanrijal2@yahoo.com.
Dinesh MondalCenter for Nutrition and Food Security, International Center for Diarrheal Disease Research, Bangladesh, Dhaka, Bangladesh. din63d@icddrb.org.
International Centre for Diarrhoeal Disease Research · BDDrugs for Neglected Diseases Initiative India · INInstituut voor Tropische Geneeskunde · BE

Funding

Visceral Leishmaniasis in Bihar State, IndiaP50AI074321 · NIAID · BANARAS HINDU UNIVERSITY · PI SUNDAR, SHYAM · 2007 to 2016
$6.4M
NIAID NIH HHS P50 AI074321NIAID NIH HHS P50AI074321
6 · The paper itself

Abstract

backgroundAccurate and early diagnosis of Visceral Leishmaniasis (VL) is a prerequisite for proper treatment and restricting disease propagation in enldemic foci. An rK39 antigen-based immunochromatographic test is now recommended for its diagnostic accuracy and operational feasibility at point of care. In endemic regions of Bangladesh, rK39 or rKE16 antigen-based Rapid Diagnostic Tests (RDTs) are routinely performed on whole blood for diagnosis of VL. However, manufacturer's instructions require use of serum. Therefore, we wanted to assess whether the diagnostic accuracy of these RDTs is as good on whole blood as on serum.

methodsWe evaluated and compared the sensitivity and specificity of five different commercially available RDTs on whole blood and on serum. We enrolled 30 VL patients, 35 endemic healthy controls and 30 Tuberculosis (TB) patients in our study from Mymensingh, a hyper-endemic region in Bangladesh.

resultsThe sensitivity of all RDTs ranged between 96.67% (95% CI: 82.72-99.44%) and 100% (95% CI: 96.34-100%). The specificity ranged between 93.85% (95% CI: 84.97-98.26%) and 98.46% (95% CI: 91.69-99.74%), except for the Onsite leishmania Ab (Rev B) kit which showed markedly lower specificity (31.25-58.46 %). There was no significant difference in sensitivity and specificity between blood and serum. The Cohen kappa index (k >0.97) indicated excellent agreement.

conclusionsWe conclude from the study that the use of blood for RDT in lieu of serum is appropriate for diagnosis of VL in peripheral endemic regions provided the manufacturer recommendations are followed and the RDT is of good quality.

Indexed as

AdultAgedAntigens, ProtozoanBangladeshChromatography, AffinityFemaleHumansLeishmaniaLeishmaniasis, VisceralMaleMiddle AgedReagent Kits, DiagnosticSensitivity and SpecificityYoung AdultAntigens, ProtozoanReagent Kits, Diagnostic

Identifiers

PMID26077956
PMCPMC4474327
OpenAlexW2102013566

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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.