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Open AccessJournal ArticleDOI

Clinical Application of the Standard Q COVID-19 Ag Test for the Detection of SARS-CoV-2 Infection.

TLDR
In this paper, the authors evaluated the Standard Q COVID-19 Ag test for the diagnosis of coronavirus disease 2019 compared to the reverse transcription-polymerase chain reaction (RT-PCR) test.
Abstract
We evaluated the Standard Q COVID-19 Ag test for the diagnosis of coronavirus disease 2019 (COVID-19) compared to the reverse transcription-polymerase chain reaction (RT-PCR) test. We applied both tests to patients who were about to be hospitalized, had visited an emergency room, or had been admitted due to COVID-19 confirmed by RT-PCR. Two nasopharyngeal swabs were obtained; one was tested by RT-PCR and the other by the Standard Q COVID-19 Ag test. A total of 118 pairs of tests from 98 patients were performed between January 5 and 11, 2021. The overall sensitivity and specificity for detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) for the Standard Q COVID-19 Ag test compared to RT-PCR were 17.5% (95% confidence interval [CI], 8.8-32.0%) and 100% (95% CI, 95.3-100.0%). Analysis of the results using RT-PCR cycle thresholds of ≤ 30 or ≤ 25 increased the sensitivity to 26.9% (95% CI, 13.7-46.1%), and 41.1% (95% CI, 21.6-64.0%), respectively.

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Journal ArticleDOI

Rapid, point-of-care antigen tests for diagnosis of SARS-CoV-2 infection

- 22 Jul 2022 - 
TL;DR: In this article , the second update of this review was published, which was first published in 2020, and included 152 evaluations of single test applications including 100,462 unique samples (16,822 with confirmed SARS-CoV-2 infection or known absence of infection).
Journal ArticleDOI

Diagnostic usefulness of subgenomic RNA detection of viable SARS-CoV-2 in patients with COVID-19.

TL;DR: In this paper, the authors evaluated the usefulness of subgenomic RNAs for diagnosing viable SARS-CoV-2 in patients with COVID-19 in patients at a tertiary hospital between February and December 2020.
Journal ArticleDOI

Diagnostic usefulness of subgenomic RNA detection of viable SARS-CoV-2 in patients with COVID-19

TL;DR: In this paper , the authors evaluated the usefulness of subgenomic RNAs for diagnosing viable SARS-CoV-2 in patients with COVID-19 in patients enrolled at a tertiary hospital between February and December 2020.
References
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Journal ArticleDOI

Rethinking Covid-19 Test Sensitivity - A Strategy for Containment.

TL;DR: A simple point-of-care test that is inexpensive enough to use frequently, even if it lacks sensitivity, is proposed for Covid-19 cases.
Journal ArticleDOI

Field evaluation of a rapid antigen test (Panbio™ COVID-19 Ag Rapid Test Device) for COVID-19 diagnosis in primary healthcare centres.

TL;DR: The data suggested that patients with RT-PCR-proven COVID-19 testing negative by RAD are unlikely to be infectious, and the Panbio™ CO VID-19 Ag Rapid Test Device performed well as a POCT for early diagnosis in primary healthcare centers.
Journal ArticleDOI

Comparison of Rapid Antigen Tests for COVID-19.

TL;DR: Although the current RATs will likely miss some COVID-19 patients who are shedding infectious SARS-CoV-2 patients, even the most sensitive RAT read the samples containing small amounts of virus as negative, and all R ATs tested failed to detect viral antigens in several specimens from which the virus was isolated.
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