Journal
JOURNAL OF GLOBAL INFECTIOUS DISEASES
Volume 13, Issue 2, Pages 91-93Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/jgid.jgid_316_20
Keywords
Analyzer; COVID-19; fluorescence immunoassay; rapid antigen test; SARS-CoV-2
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The study evaluated the performance of the STANDARD F COVID-19 antigen FIA kit, showing that it had high specificity and positive predictive value, but low sensitivity and negative predictive value.
Introduction: Tests detecting SARS-CoV-2-specific antigen have recently been developed, and many of them are now commercially available. However, the real-world performance of these assays is uncertain; therefore, their validation is important. In this study, we have evaluated the performance of STANDARD F COVID-19 antigen fluorescence immunoassay (FIA) kit. Methods: Nasopharyngeal samples collected from patients were subjected to the test as per manufacturer's instructions. The performance of the kit was compared with the gold standard real-time polymerase chain reaction. Results: A total of 354 patients were tested with STANDARD F COVID-19 antigen FIA test kit. The overall sensitivity, specificity, positive predictive value, and negative predictive value of this test were found to be 38%, 99%, 96.2%, and 72%, respectively, with a diagnostic accuracy of 75.7%. Conclusion: STANDARD F COVID-19 antigen FIA showed high specificity and positive predictive value but low sensitivity and negative predictive value.
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