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Re: [IP] Difference in readings

Here's the scoop from Accu-Check on their "Health Care Professional 
Information" insert. 

All they give us is the statistical results of 15 tests with a mean of 68 
and a standard deviation of 2.6. Then the same test with a mean of 
160 and standard deviation of 7.6.  A 0.98 correlation coefficient over 
a range from 35 to 552 does not indicate variance for our range of 
interest of 50 to 200. An honest scientist would give the variance if 
it were worse than assumed below. 

Here is an example of what the test could have shown.

One big blood sample, test it 10 times, get these results
63, 65, 65, 67, 67, 68, 70,71, 71, 73

Next sample:
146, 150, 152, 155, 159, 161,165, 168, 170, 174 

So 78 to 97 is a statistical unlikelyhood indicative of mechanical failure.


>>> Christene Ullom <email @ redacted> 12/22 11:12 AM >>>
There is a difference of about 12% deviation from one test to the other.
Some machines are as high as 15% between tests and between machines.

Christene Ullom
If you think you're too small to be effective,
you've never been in bed with a mosquito. 
- Raymond Sharp 
Insulin-Pumpers website http://www.insulin-pumpers.org/

Insulin-Pumpers website http://www.insulin-pumpers.org/