Multi-platform Comparison of SARS-CoV-2 Serology Assays for the Detection of COVID-19

The Journal of Applied Laboratory Medicine
Raymond T SuhandynataRobert L Fitzgerald

Abstract

COVID-19 is caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a novel beta-coronavirus that is responsible for the 2019 coronavirus pandemic. Acute infections should be diagnosed by polymerase chain reaction (PCR) based tests, but serology tests can demonstrate previous exposure to the virus. We compared the performance of the Diazyme, Roche, and Abbott SARS-CoV-2 serology assays using 179 negative subjects to determine negative percent agreement (NPA) and in 60 SARS-CoV-2 PCR confirmed positive patients to determine positive percent agreement (PPA) at three different timeframes following a positive SARS-CoV-2 PCR result. At ≥ 15 days, the PPA (95% CI) was 100 (86.3-100)% for the Diazyme IgM/IgG panel, 96.0 (79.7-99.9)% for the Roche total Ig assay, and 100 (86.3-100)% for the Abbott IgG assay. The NPA (95% CI) was 98.3 (95.2-99.7)% for the Diazyme IgM/IgG panel, 99.4 (96.9-100)% for the Roche total Ig assay, and 98.9 (96.0-99.9)% for the Abbott IgG assay. When the Roche total Ig assay was combined with either the Diazyme IgM/IgG panel or the Abbott IgG assay, the positive predictive value was 100% while the negative predictive value remained greater than 99%. Our data demonstrates that the Diazyme, Ro...Continue Reading

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May 20, 2020·The Journal of Applied Laboratory Medicine·Raymond T SuhandynataRobert L Fitzgerald
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Citations

Oct 22, 2020·Clinical Chemistry·Raymond T SuhandynataRobert L Fitzgerald
Feb 9, 2021·Clinical Chemistry and Laboratory Medicine : CCLM·Christian IrsaraGregor Hoermann
Feb 25, 2021·Practical Laboratory Medicine·Cristina InterianoVan Leung-Pineda
Jun 26, 2021·The Journal of Applied Laboratory Medicine·Raymond T SuhandynataRobert L Fitzgerald
Aug 24, 2021·Indian Journal of Clinical Biochemistry : IJCB·Ajaikumar SukumaranD M Vasudevan

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