Evaluation of New Tests for Diagnosing Dengue Virus Infection
Author Information
Author(s): Dussart Philippe, Petit Laure, Labeau Bhety, Bremand Laetitia, Leduc Alexandre, Moua David, Matheus Séverine, Baril Laurence
Primary Institution: Centre National de Référence des Arbovirus et Virus Influenza, Institut Pasteur de la Guyane
Hypothesis
We compared the performance of two new commercial tests for the detection of dengue NS1 protein during the clinical phase of dengue virus infection.
Conclusion
The study supports the use of NS1 antigen detection tests for diagnosing acute dengue virus infection, with the Dengue NS1 Ag STRIP being a suitable first-line test.
Supporting Evidence
- The sensitivity of the Platelia Dengue NS1 Ag test was 87.4%.
- The Dengue NS1 Ag STRIP had a sensitivity of 81.5% after 15 minutes.
- Both tests had a specificity of 100%.
- The pan-E Dengue Early ELISA had a sensitivity of 60.4%.
Takeaway
Scientists tested two new ways to find out if someone has dengue fever, and one of them works really well and can give results quickly.
Methodology
The study tested 272 serum samples from patients with dengue disease using three different tests to compare their sensitivity and specificity.
Potential Biases
The technicians conducting the tests were blind to the DENV-infection status, reducing potential bias.
Limitations
The study did not include severe clinical symptoms of dengue hemorrhagic fever or dengue shock syndrome.
Participant Demographics
The study included patients with clinically diagnosed dengue infection, but specific demographic details were not provided.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI: 82.3% to 91.5%
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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