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  2. www.nejm.org › doi › fullPersistent False Positive Covid-19 Rapid Antigen Tests

    21 de feb. de 2024 · Among more than 11,000 participants, 1.7% had at least one false positive rapid antigen test on the basis of RT-PCR results. Persistent false positives tended to occur in women and in...

  3. www.medicalnewstoday.com › articles › false-positiveFalse positive rapid COVID-19 test: Causes and accuracy

    28 de oct. de 2022 · This article outlines how a false positive on a rapid COVID-19 test can happen. It also discusses other factors, such as test accuracy and steps people should take if they test positive for...

  4. www.verywellhealth.com › what-causes-a-falseWhat Causes a False-Positive Rapid COVID Test? - Verywell Health

    29 de nov. de 2023 · A false-positive result means the test says you have an illness when you really don’t. You can get a false positive on a rapid COVID-19 test, but it’s not common. Experts say certain factors raise your risk of getting a false-positive COVID-19 test.

  5. www.ncbi.nlm.nih.gov › pmc › articlesFalsos positivos en la enfermedad por SARS-CoV-2 - PMC

    5 de may. de 2021 · Así, la aplicación de una PCR a pacientes asintomáticos de bajo riesgo (por ejemplo, con una PPT del 5%) tendría un valor predictivo positivo «solo» del 77,8%, mientras que con el mismo test aplicado a contactos de riesgo asintomáticos (con PPT del 25%) tendrían un VPP superior al 96,5%.

    • Javier Pardo-Lledias, Juan Luis Muñoz-Bellido, Moncef Belhassen-García
    • 2021

  6. www.ncbi.nlm.nih.gov › pmc › articlesFalse-positive and false-negative COVID-19 cases: respiratory ...

    25 de abr. de 2021 · False-positive COVID-19 place patients at risk through cohorting with other COVID-19 cases, while false-negative COVID-19 place healthcare workers, other patients and the general public at risk for infection from an undiagnosed source case.