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Does the performance of CGMs degrade during their usage?
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<blockquote data-quote="sgm14" data-source="post: 2633676" data-attributes="member: 517358"><p><h3></h3><p></p><p></p><p>My view is that only you can answer that question as your experience may not be the same as other peoples. You are not the first person I have seen to say that, but it is not something that I have experienced.</p><p></p><p></p><p></p><p>Not very. As I understand it, a finger prick meter is considered "accurate" or working correctly if 95% of its readings are within15% of your "real" blood glucose and I think cgms only have to be within 20% of the real values.</p><p></p><p>So whilst Abbott state that the libre 2 is accurate across the whole 14 days, that statement would still be true in the hypothetical situation of a libre which was returning perfectly accurate results for days 1-13 and was 19% out on day 14, but if you had such a device, you would probably consider that a significant degradation.</p><p></p><p>So whilst I don't think of my Libre2 or even my finger prick reader as being particularly accurate, I do consider the Libre to be <strong>extremely </strong>useful.</p></blockquote><p></p>
[QUOTE="sgm14, post: 2633676, member: 517358"] [HEADING=2][/HEADING] My view is that only you can answer that question as your experience may not be the same as other peoples. You are not the first person I have seen to say that, but it is not something that I have experienced. Not very. As I understand it, a finger prick meter is considered "accurate" or working correctly if 95% of its readings are within15% of your "real" blood glucose and I think cgms only have to be within 20% of the real values. So whilst Abbott state that the libre 2 is accurate across the whole 14 days, that statement would still be true in the hypothetical situation of a libre which was returning perfectly accurate results for days 1-13 and was 19% out on day 14, but if you had such a device, you would probably consider that a significant degradation. So whilst I don't think of my Libre2 or even my finger prick reader as being particularly accurate, I do consider the Libre to be [B]extremely [/B]useful. [/QUOTE]
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