Parameter sensitivity:

The sensitivity provides information about In what percentage of the actually infected people the test actually shows this infection as a positive test result. With a sensitivity of 95, 95 out of 100 patients receive a positive test result and 5 patients receive a false-negative test result.. The higher the sensitivity, the more reliably the test will show a positive test result for an existing infection.

 

Parameter specificity:

The specificity states how high the probability is that a healthy patient will also be recognized as such. The higher the specificity, the less likely it is to have a false positive test result.

 

Ct value:

The Ct value determined during the PCR test is used as a measure of the amount of virus RNA present in the sample. The higher the Ct value, the lower the virus concentration in the examined sample.In SARS-CoV-2 PCR, Ct values & gt; 35 indicates a very low virus concentration in the sample.

The COVID-19 antigen test


The COVID-19 antigen test is used to detect an acute SARS-CoV-2 infection. The rapid test responds to the presence of viral SARS-CoV-2 nucleoproteins and is performed with nasopharyngeal and / or oropharyngeal swabs. In contrast to the PCR test the result of the antigen test is available within a few minutesso that appropriate measures can be initiated without delay. COVID-19 antigen tests are particularly suitable to investigate contact personswho are suspected of having been infected with SARS-CoV-2. The Point-of-care rapid test can not only in doctor's offices, but z. B. can also be carried out in hospitals, nursing homes or health authorities.

 

Please note that COVID-19 antigen tests may only be performed by healthcare professionals.

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