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Type 1 Diabetes
CGM average blood glucose doesn't match A1C
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<blockquote data-quote="Marie 2" data-source="post: 2180923" data-attributes="member: 475037"><p>Lol.......Cgm's are almost always off the A1C number. First forget that GMI number, we think Dexcom tried to do a A1C guess and it didn't work so they changed the name. My last A1C was .7% different or 7 mmol different where as last time it was only .1% or 1mmol difference. My A1C was lower others are higher. No one seems to have a clue how it is achieving it's number.</p><p></p><p>As for A1C, it will be a lot more accurate to compare your average Bg level against what your A1C level is, that seems to be pretty close. But notoriously CGM's numbers are lower than what your meter number is. I keep mine calibrated within 5 points or .3 mmol's. I also prefer mine to read higher than I am.</p></blockquote><p></p>
[QUOTE="Marie 2, post: 2180923, member: 475037"] Lol.......Cgm's are almost always off the A1C number. First forget that GMI number, we think Dexcom tried to do a A1C guess and it didn't work so they changed the name. My last A1C was .7% different or 7 mmol different where as last time it was only .1% or 1mmol difference. My A1C was lower others are higher. No one seems to have a clue how it is achieving it's number. As for A1C, it will be a lot more accurate to compare your average Bg level against what your A1C level is, that seems to be pretty close. But notoriously CGM's numbers are lower than what your meter number is. I keep mine calibrated within 5 points or .3 mmol's. I also prefer mine to read higher than I am. [/QUOTE]
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CGM average blood glucose doesn't match A1C
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