Diagnostic performance of the rapid test for the detection of NS1 antigen and IgM and IgG anti-antibodies against dengue virus

Authors

DOI:

https://doi.org/10.17843/rpmesp.2022.394.11471

Keywords:

Dengue, NS1 Antigen, IgM, IgG, Rapid Test, Diagnosis, Peru, DENV

Abstract

Objectives. To assess the diagnostic performance of the SD dengue DUO rapid test (Inyecta) for the detection of NS1, IgM and IgG in comparison to the ELISA test. Materials and methods. This is a diagnostic test evaluation that included 286 serum samples from patients with symptomatology attributable to dengue from endemic areas of Peru. The samples were analyzed by ELISA and the SD dengue DUO rapid test (Inyecta) for IgM, NS1 and IgG at the Instituto de Investigación Nutricional in Lima. Results. The sensitivity of the rapid test was 68.0% for NS1 and IgM, and 86.0% for IgG, improving to 75.0% and 81.0% for NS1 and IgM, respectively, during the first three days. The specificity for all three analytes was greater than 87.0%. The concordance of the results, measured by the Kappa coefficient for the three analytes, was good and no cross-reaction with other arboviruses was found. Conclusions. The SD dengue DUO rapid test allows detection of NS1, IgM and IgG with adequate sensitivity and specificity. Sensitivity for IgM and NS1 increases when detected during the first three days of symptoms. Therefore, we recommend its implementation in primary care centers for early and timely diagnosis.

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Author Biography

  • Johanna Martins-Luna, Universidad Peruana de Ciencias Aplicadas, Lima, Perú

     

     

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Published

2022-12-23

Issue

Section

Original Article

How to Cite

1.
Valdivia-Conroy B, Vasquez-Calderón JM, Silva-Caso W, Martins-Luna J, Aguilar-Luis MA, del Valle-Mendoza J, et al. Diagnostic performance of the rapid test for the detection of NS1 antigen and IgM and IgG anti-antibodies against dengue virus. Rev Peru Med Exp Salud Publica [Internet]. 2022 Dec. 23 [cited 2024 May 23];39(4):434-41. Available from: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/11471