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The Fallacy of Average: How Using HbA1c Alone to Assess Glycemic Control Can Be Misleading
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<blockquote data-quote="Bluetit1802" data-source="post: 1590040" data-attributes="member: 94045"><p>I doubt very much it is Libre/meter inaccuracy when averaging over a decent period of time, and 2 to 3 months prior to an HbA1c is a very decent period of time. . Meters aren't all that inaccurate on the whole, and any "rogue" readings are evened out and become insignificant. It sounds to me like your red blood cells die off and renew a lot faster than the standard 120 days. Whereas mine live a lot longer than that. </p><p></p><p>The other point is that the HbA1c average is calculated with a lot of emphasis on the previous couple of weeks, so any sudden improvements or deterioration in those 2 weeks will have an effect. Another thing is blood being donated - if a person donates blood in this period they will have less glycated haemoglobin and more brand new red blood cells with hardly any glycation.</p><p></p><p> It is a mine field and a mystery yet to be solved.</p></blockquote><p></p>
[QUOTE="Bluetit1802, post: 1590040, member: 94045"] I doubt very much it is Libre/meter inaccuracy when averaging over a decent period of time, and 2 to 3 months prior to an HbA1c is a very decent period of time. . Meters aren't all that inaccurate on the whole, and any "rogue" readings are evened out and become insignificant. It sounds to me like your red blood cells die off and renew a lot faster than the standard 120 days. Whereas mine live a lot longer than that. The other point is that the HbA1c average is calculated with a lot of emphasis on the previous couple of weeks, so any sudden improvements or deterioration in those 2 weeks will have an effect. Another thing is blood being donated - if a person donates blood in this period they will have less glycated haemoglobin and more brand new red blood cells with hardly any glycation. It is a mine field and a mystery yet to be solved. [/QUOTE]
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The Fallacy of Average: How Using HbA1c Alone to Assess Glycemic Control Can Be Misleading
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