I have seen COVID19 test LoD ranging from 180 to 600000 NAAT Detectable Units/mL
So a rapid antigen test with LoD of TCID50 1.13 x10^2 per mL
and RT PCR TCID50 1x10^-2 per mL (600 NDU/mL)
and a LAMP test that reports 900 copies/ml
From the above is rapid test better than LAMP test?
And I don't get it why even consider a test that has 600000 NDU/mL it is not even sensitive right?
Alexandr Chernov
Hello, Xin!
a limit of detection (LoD) of ~100 copies of viral RNA per milliliter of transport media. This means the sensitivity of the method for detecting copies of viral RNA in biomaterial. The lower the LOD, the higher the sensitivity of the method.
You llok at this article, please:
Preprint SARS-CoV2 Testing: The Limit of Detection Matters
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