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Blizzard of Chizz
Auburn Fan
Member since Apr 2012
15596 posts

How accurate are the COVID tests?
We are relying on a test that was hastily developed in a matter of weeks for the safety and well being of millions of people, but no one seems concerned with its accuracy. How are we insuring that we avoid false positive results given the massive level of testing we are currently doing? Social and economic decisions are being made based off these numbers. Who is liable if it turns out tens of thousands of people tested positive, but were actually negative?
This post was edited on 7/16 at 12:19 am


au1331
Member since Jun 2020
29 posts

re: How accurate are the COVID tests?
i don't trust the tests at all....


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400
Titus Pullo
USA Fan
MTDGA
Member since Feb 2011
27997 posts

re: How accurate are the COVID tests?
I don't trust anything related to any of this. At all.


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340
10MTNTiger
LSU Fan
Banks of the Guadalupe
Member since Sep 2012
3224 posts

re: How accurate are the COVID tests?
100% positive


GeauxTrain
Member since Sep 2019
919 posts

re: How accurate are the COVID tests?
According to the daily briefings by the Governor to local government they're up to about 80% accuracy.


David_DJS
Member since Aug 2005
1770 posts
 Online 

re: How accurate are the COVID tests?
How anybody with a brain that functions can still believe in COVID/Pandemic is beyond me. How many times do you need to be deceived before you stop letting people frick with your life?


ConcreteThreshold
South Alabama Fan
Member since Jun 2017
164 posts

re: How accurate are the COVID tests?
This sounds correct. I was told at my facility recently that there's a 30% for a false negative. My SO was tested twice and both came back negative, but neither visit could affirm she was covid negative.


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11
omegaman66
greenwell springs
Member since Oct 2007
15830 posts
 Online 

re: How accurate are the COVID tests?
They are useless. If you can test positive for CV without actually being tested... you tell me how accurate the test results are!!!


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81
NC_Tigah
LSU Fan
Carolinas
Member since Sep 2003
101341 posts

re: How accurate are the COVID tests?
quote:

but no one seems concerned with its accuracy.
IDK where that thought comes from. Accuracy is of significant concern.

There are two categories of tests, those designed to detect virus and tests for antibodies. Accuracy varies by test. For the Viral (PCR) tests, False Negatives are of particular concern. For Antibody tests, False Positives are the concern.

Viral (PCR) tests

• The latest CDC PCR (Virus) test now runs virtually a 0.0% false negative rate. Doesn't get much better than that. It is (finally) the most accurate PCR available.
• The Roche PCR test run a 3.5% false negative rate.
Both CDC and Roche tests require slower turnarounds, often a few days.
• Cepheid's test provides results in less than hour with a 1.8% FNR.
• Abbott's test is popular because it returns results in 15 minutes, but it has a nearly 15% FNR.

Antibody Tests
Several Antibody Tests run >10% false positives. 3 or 4 are at 1% but false negative can be high ~10%


tiger7166
LSU Fan
Louisiana
Member since Dec 2007
2087 posts

re: How accurate are the COVID tests?
My 80 year old dad was tested because of contact with positive tested person. He tested positive. Not one single symptom and test was 3 weeks ago


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10
mtntiger
LSU Fan
Asheville, NC
Member since Oct 2003
19821 posts

re: How accurate are the COVID tests?
What about false positive results? Or is a false negative the same thing?


RiseUpATL
Georgia Tech Fan
Member since Sep 2018
1352 posts

re: How accurate are the COVID tests?
So my neighbor is a nurse at Emory and she said at her hospital they have 40 COVID patients. But she said a number of them are PUI (Patients Under Investigation) which means they haven’t tested positive but have been potentially exposed and they are counted as COVID even though they haven’t tested positive. I mean WTF?!?!??


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41
TaderSalad
LSU Fan
mudbug territory
Member since Jul 2014
17713 posts

re: How accurate are the COVID tests?
A friend of a friend talked to someone within the Health Department and nothing about the CV testing makes sense with regards to other forms of testing. there is alot of confusion.

( know, I know, "sauces." But I would say that there's some truth to based on the outcome that has errybody confused.


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NC_Tigah
LSU Fan
Carolinas
Member since Sep 2003
101341 posts

re: How accurate are the COVID tests?
quote:

What about false positive results?
Not much of an issue with the PCRs.
quote:

Or is a false negative the same thing?
No


davyjones
LSU Fan
North Central, LA
Member since Feb 2019
10131 posts

re: How accurate are the COVID tests?
On top of questions of accuracy are also questions of how they're recorded and the always manipulative when and how numbers are released.


shrevetigertom
LSU Fan
Shreveport
Member since Sep 2005
3134 posts

re: How accurate are the COVID tests?
I think I had CV in March. Took an antibody test and came back negative. I asked the nurse how many tests came back positive. Zero.


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30
DMAN1968
Member since Apr 2019
2272 posts

re: How accurate are the COVID tests?
quote:

On top of questions of accuracy are also questions of how they're recorded and the always manipulative when and how numbers are released.


I'm way more concerned with how the results are reported than the actual accuracy of the tests.


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jimmy the leg
LSU Fan
Member since Aug 2007
9258 posts

re: How accurate are the COVID tests?
I don’t know why anyone would trust the test themselves (or the data associated with them). At this point, this is a massive clusterfrick.

FWIW, I am not a “virus denier,” I just have enough sense not to trust a bureaucracy.


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10
Schmelly
Chicago Cubs Fan
Member since Jan 2014
9747 posts

re: How accurate are the COVID tests?
Buddy of mine works for Halliburton. He tests each week. They use the test that doesn’t use the q-tip and gets results same day. Few weeks ago he tests positive so the next day they get him to test again. Negative. So their “policy” is take a third and whatever that says, that’s what we’ll go with. He tested negative lol. He works from home 99% of the time right now anyway


bwallcubfan
Chicago Cubs Fan
Louisiana
Member since Sep 2007
35162 posts

re: How accurate are the COVID tests?
I don’t trust them. In my own family, my grandad tested positive and he’s 90 and not in good health. He showed no symptoms and is completely fine. He only got tested prior to having a small procedure. Everyone else in our family tested negative after being around him the previous few days. He’s had 2 negative tests since.

I know a family of 5 who all got sick at the same time last week with fever and general respiratory problems. 3 of the 5 tested positive. How’s that make any sense?
This post was edited on 7/16 at 7:20 am


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