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Development and application of proficiency testing (PT) to evaluate the diagnostic capacity of SARS-CoV-2 by RT-qPCR- A practical and metrological approach

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Autor(es):
Rodrigues, Carolaine de Oliveira ; Olivares, Igor Renato Bertoni ; Reischak, Dilmara ; Catozzi, Mariana Benatti ; Cardoso, Fernanda Gomes ; Pinhel, Maria de Fatima Martins
Número total de Autores: 6
Tipo de documento: Artigo Científico
Fonte: DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE; v. 107, n. 2, p. 6-pg., 2023-10-01.
Resumo

It is necessary to use quality tools to evaluate the diagnostic capacity of laboratories, such as implementing a proficiency testing (PT) program. The goal of this work is to develop and apply a PT protocol to assess the diagnostic capacity of SARS-CoV-2 through the RT-PCR method, based on appropriate metrological tools. A 5-item test panel containing items with different dilutions of SARS-CoV-2, including negative controls, was developed to perform this PT with the application of different performance assessment tools to score and dif-ferentiate performance between laboratories, according to Table 2. Based on the participants' total qualita-tive result, 95% of the negative samples and 73% of the positive samples were correctly identified by the laboratories. The results obtained were compared e validate the systematics of the PT developed, so that it can be implemented and used to monitor and improve the diagnostic capacity of SARS-CoV-2, also helping to improve the quality of these results.& COPY; 2023 Elsevier Inc. All rights reserved. (AU)

Processo FAPESP: 20/01238-4 - Desenvolvimento de ensaios de proficiência para laboratórios agropecuários visando a reprodutibilidade dos resultados e manutenção da ISO/IEC 17025
Beneficiário:Igor Renato Bertoni Olivares
Modalidade de apoio: Auxílio à Pesquisa - Regular