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Evaluation of the reference value for the Montenegro skin test

Overview of attention for article published in Revista da Sociedade Brasileira de Medicina Tropical, August 2015
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Title
Evaluation of the reference value for the Montenegro skin test
Published in
Revista da Sociedade Brasileira de Medicina Tropical, August 2015
DOI 10.1590/0037-8682-0067-2015
Pubmed ID
Authors

Cissiara Manetti Skraba, Tatiane França Perles de Mello, Raíssa Bocchi Pedroso, Érika Cristina Ferreira, Izabel Galhardo Demarchi, Sandra Mara Alessi Aristides, Maria Valdrinez Campana Lonardoni, Thaís Gomes Verzignassi Silveira

Abstract

The Montenegro skin test (MST) has good clinical applicability and low cost for the diagnosis of American tegumentary leishmaniasis (ATL). However, no studies have validated the reference value (5mm) typically used to discriminate positive and negative results. We investigated MST results and evaluated its performance using different cut-off points. The results of laboratory tests for 4,256 patients with suspected ATL were analyzed, and 1,182 individuals were found to fulfill the established criteria. Two groups were formed. The positive cutaneous leishmaniasis (PCL) group included patients with skin lesions and positive direct search for parasites (DS) results. The negative cutaneous leishmaniasis (NCL) group included patients with skin lesions with evolution up to 2 months, negative DS results, and negative indirect immunofluorescence assay results who were residents of urban areas that were reported to be probable sites of infection at domiciles and peridomiciles. The PCL and NCL groups included 769 and 413 individuals, respectively. The mean ± standard deviation MST in the PCL group was 12.62 ± 5.91mm [95% confidence interval (CI): 12.20-13.04], and that in the NCL group was 1.43 ± 2.17mm (95% CI: 1.23-1.63). Receiver-operating characteristic curve analysis indicated 97.4% sensitivity and 93.9% specificity for a cut-off of 5mm and 95.8% sensitivity and 97.1% specificity for a cut-off of 6mm. Either 5mm or 6mm could be used as the cut-off value for diagnosing ATL, as both values had high sensitivity and specificity.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 46 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 2%
Unknown 45 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 20%
Student > Ph. D. Student 8 17%
Researcher 5 11%
Student > Bachelor 4 9%
Student > Doctoral Student 2 4%
Other 6 13%
Unknown 12 26%
Readers by discipline Count As %
Medicine and Dentistry 8 17%
Agricultural and Biological Sciences 8 17%
Immunology and Microbiology 8 17%
Biochemistry, Genetics and Molecular Biology 3 7%
Nursing and Health Professions 1 2%
Other 5 11%
Unknown 13 28%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 August 2015.
All research outputs
#11,143,770
of 12,527,863 outputs
Outputs from Revista da Sociedade Brasileira de Medicina Tropical
#163
of 216 outputs
Outputs of similar age
#196,872
of 238,567 outputs
Outputs of similar age from Revista da Sociedade Brasileira de Medicina Tropical
#3
of 6 outputs
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So far Altmetric has tracked 216 research outputs from this source. They receive a mean Attention Score of 1.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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