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Freestyle Libre Sensor: highly inaccurate??
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<blockquote data-quote="TedTomato" data-source="post: 1734718" data-attributes="member: 469844"><p>My point was that those devices are advertised to measure glucose levels, not some other unit.</p><p></p><p>Yes, I have also considered the delay between a blood test, and the Libre reading, which could be 15-20 minutes behind, but that didn't make much difference most of the time, in term of understanding the large differences.</p><p></p><p>My conclusion is currently:</p><p></p><ul> <li data-xf-list-type="ul">A large proportion of Libre sensors are faulty, and that proportion seems to be too high for something marketed (not just in trials), expensive and even funded by the NHS in some cases. Abbot seems to know that some batches are faulty, were damaged during transport etc., but those are still sold</li> <li data-xf-list-type="ul">Some people will have their body rejecting the device/filament, meaning inaccurate readings for several days and/or first sensor being used. It seems to be known, but Abbot doesn't specifically advise to position the sensor and wait 24 hours for activation</li> <li data-xf-list-type="ul">I don't understand why calibration is not possible on the app, to readjust readings based on occasional blood tests</li> <li data-xf-list-type="ul">Device is more about trends (go up or down based on specific food for instance)/long term trends (weeks), as opposed to actual values</li> <li data-xf-list-type="ul">I don't understand either why memory is limited to just 8 hours. Surely, the memory chip could keep something for longer (e.g. 12 hours)</li> <li data-xf-list-type="ul">It's very interesting and promising technology, but still early days and therefore hit and miss. I am sure Abbot and others must be working on a better version, with more memory, Bluetooth etc.</li> </ul></blockquote><p></p>
[QUOTE="TedTomato, post: 1734718, member: 469844"] My point was that those devices are advertised to measure glucose levels, not some other unit. Yes, I have also considered the delay between a blood test, and the Libre reading, which could be 15-20 minutes behind, but that didn't make much difference most of the time, in term of understanding the large differences. My conclusion is currently: [LIST] [*]A large proportion of Libre sensors are faulty, and that proportion seems to be too high for something marketed (not just in trials), expensive and even funded by the NHS in some cases. Abbot seems to know that some batches are faulty, were damaged during transport etc., but those are still sold [*]Some people will have their body rejecting the device/filament, meaning inaccurate readings for several days and/or first sensor being used. It seems to be known, but Abbot doesn't specifically advise to position the sensor and wait 24 hours for activation [*]I don't understand why calibration is not possible on the app, to readjust readings based on occasional blood tests [*]Device is more about trends (go up or down based on specific food for instance)/long term trends (weeks), as opposed to actual values [*]I don't understand either why memory is limited to just 8 hours. Surely, the memory chip could keep something for longer (e.g. 12 hours) [*]It's very interesting and promising technology, but still early days and therefore hit and miss. I am sure Abbot and others must be working on a better version, with more memory, Bluetooth etc. [/LIST] [/QUOTE]
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Freestyle Libre Sensor: highly inaccurate??
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