/sci/ - Science & Math » Thread #13530929

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Anonymous Wed 18 Aug 00:22:46 2021 No.13530929 View Reply Original Report

Quoted By: >>13531117 >>13531119 >>13531129 >>13531291 >>13531498 >>13532545 >>13533164 >>13533214 >>13533221 >>13533768

What percentage of positive covid tests are false positives?

Anonymous

Anonymous Wed 18 Aug 2021 00:58:32 No.13531021 Report

Quoted By: >>13531029

Sub 1% for PCR. Other tests vary.

Anonymous

Anonymous Wed 18 Aug 2021 01:01:17 No.13531029 Report

Quoted By: >>13531058

>>13531021
Sub 1% of all covid tests are false positives, or specifically sub 1% of positive tests?

Anonymous

Anonymous Wed 18 Aug 2021 01:08:18 No.13531058 Report

Quoted By: >>13531114 >>13531121

>>13531029
In one study 6.9% of positive tests were false positives.
0.004% of all tests.

Anonymous

Anonymous Wed 18 Aug 2021 01:23:24 No.13531114 Report

Quoted By: >>13531132

>>13531058
an overall test positivity rate of 0.05%? Dubious

Anonymous

Anonymous Wed 18 Aug 2021 01:23:59 No.13531117 Report

Quoted By:

>>13530929
Covid is a complete fabrication, so 100%.

Anonymous

Anonymous Wed 18 Aug 2021 01:24:28 No.13531119 Report

Quoted By:

>>13530929
80 20 rule. 80% false positives.

Anonymous

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Anonymous Wed 18 Aug 2021 01:25:02 No.13531121 Report

Quoted By:

>>13531058

Anonymous

Anonymous Wed 18 Aug 2021 01:27:44 No.13531129 Report

Quoted By: >>13533123

>>13530929
Depends. Are you testing vaccinated or unvaccinated?

Anonymous

Anonymous Wed 18 Aug 2021 01:28:23 No.13531132 Report

Quoted By:

>>13531114
1% positivity rate
And
> Design: We have developed a quality control procedure in which all specimens from asymptomatic unexposed persons with SARS-CoV-2 positive tests were retested. When a second test was "non-detected" a third test was performed and a root cause analysis of the erroneous result undertaken.
They were testing people who were likely to be negative.

Anonymous

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Anonymous Wed 18 Aug 2021 02:28:15 No.13531291 Report

Quoted By:

>>13530929

Anonymous

Anonymous Wed 18 Aug 2021 04:20:07 No.13531498 Report

Quoted By: >>13533181

>>13530929
Near 0% for detecting fragments of viral RNA
As for false-positives when detecting active infection, that's the wrong question to ask.

Anonymous

Anonymous Wed 18 Aug 2021 14:41:34 No.13532545 Report

Quoted By:

>>13530929
tree fitty

Anonymous

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Anonymous Wed 18 Aug 2021 17:36:35 No.13533123 Report

Quoted By:

depends on how many times their cycling the thing

>>13531129
also do you have a source I can add to my collection for this, I've seen it before, itd be nice have an article or something indicating how testing asymmetry was introduced

Anonymous

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Anonymous Wed 18 Aug 2021 17:47:16 No.13533164 Report

Quoted By:

>>13530929

Anonymous

Anonymous Wed 18 Aug 2021 17:49:53 No.13533181 Report

Quoted By: >>13533203 >>13533895

>>13531498
>Near 0% for detecting fragments of viral RNA
Yeah, the "enough cycles will make it positive" thing is misunderstanding how the test works. A false positive PCR is hard to get without contaminating the sample in some way.

Anonymous

Anonymous Wed 18 Aug 2021 17:54:39 No.13533203 Report

Quoted By:

>>13533181
Is there a technical term for "accurately detects RNA but patient is non-infectious"?

Anonymous

Anonymous Wed 18 Aug 2021 17:57:11 No.13533214 Report

Quoted By:

>>13530929
50%

Anonymous

Anonymous Wed 18 Aug 2021 17:58:57 No.13533221 Report

Quoted By:

>>13530929
https://en.wikipedia.org/wiki/COVID-19_testing#Sensitivity_and_specificity

Anonymous

Anonymous Wed 18 Aug 2021 20:43:26 No.13533768 Report

Quoted By:

>>13530929
0% if they were real positive covid tests they wouldn't be fake positive covid tests

Anonymous

Anonymous Wed 18 Aug 2021 21:26:48 No.13533895 Report

Quoted By:

>>13533181
it's also incompatible with reality. Over 95% of PCR tests for COVID come back negative

Anonymous

Anonymous Wed 18 Aug 2021 22:44:36 No.13534138 Report

Quoted By: >>13534170

My father took 3 pcr test and they all came out negative and it wasn't until he took a molecular test he got a positive covid test . I don't think it's made well even the guy who designed it said it's not a good way to test for covid

Anonymous

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Anonymous Wed 18 Aug 2021 22:53:54 No.13534170 Report

Quoted By:

>>13534138
you should have went to school

pcr IS molecular

antigen test/laminar flow detection test rapid (tm) is trash should be reserved for screening negative cases for reflex pcr

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