There are many valid reasons why A1c does not always compare with glucose meter averages. One very important reason may be in the design of the meter itself. When it comes to home blood glucose meters there is a huge difference between the
Precision of the instrument and the
Accuracy of the instrument.
The following article explains why Precision is much more important than Accuracy:
Quality Control for Blood Glucose Monitoring.
Mark
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Type 1 since 9/1974. On MDI: Lantus in am and pm, Novolin R at meals, Novolog for corrections. Following Dr. Richard Bernstein's program since May 2003.
Web based BG Log (Google Spreadsheets-Requires Google Account to view and to save a copy for use):
mg/dl version /
mmol version ///
Latest A1c (12-14-07)
