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Xdrip+ vs Tomato for MiaoMiao
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<blockquote data-quote="Scott-C" data-source="post: 1993882" data-attributes="member: 374531"><p>Tim2000s is our resident uber-geek. He's one of the front runners on build-your-own artificial pancreases. Here's his blog:</p><p><a href="https://www.diabettech.com" target="_blank">https://www.diabettech.com</a></p><p></p><p></p><p></p><p>Accuracy is a relative thing with cgm. Dexcom is meant to be a lot better than libre, but a lot of it is down to personal experience and the quirkiness of particular sensors, and calibration. </p><p></p><p>I've seen people saying dexcom is better than libre, and others saying libre is better than dexcom.</p><p></p><p>Dex is more popular than libre in the USA, and you don't need to spend much time on sites there to find people reporting dex throwing big fliers.</p><p></p><p>I've been using libre for about two and a half years now, initially on its own, then with the blucon native app, then with xdrip+. </p><p></p><p>At all those stages, I've had sensors which just seem to work better than others, and some which are scarily random. It just comes with the territory - sometimes this stuff just doesn't work that well, and that is the case no matter which sensor or software.</p><p></p><p>William Lee Dubois wrote Beyond Fingersticks about 10 yrs ago, which is like the Stone Age in cgm terms, but he makes a lot of good points which still hold true.</p><p></p><p>The main one is knowing when to trust your cgm, but also when not to trust it.</p><p></p><p>No matter what software is being used, I think people can be careless when calibrating it, and that probably has a bigger impact on accuracy than anything.</p><p></p><p>I never calibrate unless I'm running stable for about an hour. Calibrating on a sharp upward or downward trend just makes it worse. As does calibrating 4 or 5 times a day. Once or twice a day is my limit. There are, of course, rogue sensors which don't seem to hold a calibration for more than an hour or two but hey ho, these things happen.</p><p></p><p>My current sensor is pretty solid - it's generally only about 0.2 to 0.4 out when I'm stable, but I know that when I'm trending ip or down fast, it'll easily be 1.5 to 2 or more out. Many newbies would interpret that as inaccuracy, but it's not, it's because even the best software on the planet would have difficulty dealing with the ifg/bg lag in a fast rise/drop, and then they would compound the error by calibrating it at exactly the wrong time thinking it will bring it into line.</p></blockquote><p></p>
[QUOTE="Scott-C, post: 1993882, member: 374531"] Tim2000s is our resident uber-geek. He's one of the front runners on build-your-own artificial pancreases. Here's his blog: [URL]https://www.diabettech.com[/URL] Accuracy is a relative thing with cgm. Dexcom is meant to be a lot better than libre, but a lot of it is down to personal experience and the quirkiness of particular sensors, and calibration. I've seen people saying dexcom is better than libre, and others saying libre is better than dexcom. Dex is more popular than libre in the USA, and you don't need to spend much time on sites there to find people reporting dex throwing big fliers. I've been using libre for about two and a half years now, initially on its own, then with the blucon native app, then with xdrip+. At all those stages, I've had sensors which just seem to work better than others, and some which are scarily random. It just comes with the territory - sometimes this stuff just doesn't work that well, and that is the case no matter which sensor or software. William Lee Dubois wrote Beyond Fingersticks about 10 yrs ago, which is like the Stone Age in cgm terms, but he makes a lot of good points which still hold true. The main one is knowing when to trust your cgm, but also when not to trust it. No matter what software is being used, I think people can be careless when calibrating it, and that probably has a bigger impact on accuracy than anything. I never calibrate unless I'm running stable for about an hour. Calibrating on a sharp upward or downward trend just makes it worse. As does calibrating 4 or 5 times a day. Once or twice a day is my limit. There are, of course, rogue sensors which don't seem to hold a calibration for more than an hour or two but hey ho, these things happen. My current sensor is pretty solid - it's generally only about 0.2 to 0.4 out when I'm stable, but I know that when I'm trending ip or down fast, it'll easily be 1.5 to 2 or more out. Many newbies would interpret that as inaccuracy, but it's not, it's because even the best software on the planet would have difficulty dealing with the ifg/bg lag in a fast rise/drop, and then they would compound the error by calibrating it at exactly the wrong time thinking it will bring it into line. [/QUOTE]
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