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Comparing the results:
■
When the lab tests your blood, only
the serum or plasma portion is used.
Your OneTouch
®
Basic
®
Meter uses
only whole blood.
■
Comparing serum or plasma to whole
blood is like comparing a temperature
of 98.6°F with the temperature of
37°C—in order to see if the values are
equal, you have to adjust one of the
results.
■
Whole blood results are
approximately 12% lower than serum
or plasma results.
■
To compare lab results with meter
results, divide the lab result by 1.12.
Example:
■
Assume that your lab result (plasma or
serum) is 224 mg/dL.
■
224 divided by 1.12 = 200 (the lab
value is now approximately equal to a
whole blood result).
■
Compare this figure to your meter
result. The two should be within 20%
of each other.
You may still have a variation from the
result because blood glucose levels can
change significantly over short periods,
especially if you have recently eaten,
exercised, taken medication, or
experienced stress.
6
In addition, if you
have eaten
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