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Lesson 1a: Test results. Adding light as well as heat to move out of the darkness.

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A concise reporting of test results.

 

As responses continue to come in, it may be useful to summarize preliminary results, as already done in other articles.

 

Let's look at nasal and oral swabs (antigen tests), and antibody tests, and their application in "long-term" COVID-19 patients.

 

We begin with 77 respondents.

(On October 20, there were 117 respondents, so values presented below will soon get an update).

 

They answered the questionnaire under the presumed notion that they are "long-term" COVID-19 patients. 

 

The following results should help clarify that presumption, or at least add additional information.

 

Antigen Tests

 

53 of 77 (68,83%)  had an antigen test done.

These included nasopharyngeal and oral tests, and reported those that were positive as well as negative tests.

 

19 of 77 (24,67%)  reported a positive nasal swab.

40 of 77 (51,94%)  reported a negative nasal swab.

  8 of 77 (10,38%)  respondents reported having had both a positive and a negative nasal swab.

 

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12 of 77 (15,58%)  respondents reported having had a positive oral swab.

23 of 77 (29,87%)  respondents reported a negative oral swab.

  2 of 77 (2,597%)  respondents reported having had both a positive and a negative oral swab.

 

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Antibody Tests

 

32 of 77 (41,55%)  reported having had an antibody test.

17 of 77 (22,07%)  reported a positive antibody test. 17/32 (53%) positive rate.

18 of 77 (23,37%)  reported a negative antibody test.

  3 of 77 (3,896%)  reported having had both a positive antibody test and a negative antibody test.

 

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Reports of others tests (CXR, Scans) will be reviewed elsewhere.

 

But additinal mention is made here of reports on

 

History & Physical Examination.

13 of 77 (16,88%) reported being diagnosed with history and physical exam findings only and no other positive test.

2 of 77 (2,597%) reported a history and physical examination, felt to be negative for the diagnosis of COVID-19.

This also suggests that in:

62 of 77 (80,51%) who had responded to the questionnaire because they felt they had long-term COVID,

the history and physical examination were not reported as contributing to the diagnosis.

 

The date when these respondents felt their illness began has a mean value of 21 March, 2020. This with a standard deviation of ± 34.61 days around that date.

 

Comparing the test results as done above, before and after this date, may also provide a better understanding of this positive and negative test rates.

 

For those who have now read this, but have not taken the questionnaire, and believe that they have "long-term" COVID-19, please consider carefully responding to the questionnaire.  I doubt that the above results will linger long enough in memory to invalidate your responses.

 

I believe it's beginning to teach us all a great deal. At last that's my personal opinion. It's shedding light as well as heat.

 

 

 

 

 

 



21/09/2020
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