Still on my new favorite topic – blood glucose meters. That whole +/- 20% truly does bother me. If I see a movement of 10 points, I adjust a bit here and there to get it back to where I want it. So, potentially being off by 15 points in either direction is a big deal. And, it’s worse for those on insulin. (Yes, there are Type 2 Diabetics on insulin – a lot of them.)
So, the meter is off by a lot. But, that is no excuse not to test. At the very least it will still provide you with a score card; it will tell you if your number is up or down, and that is valuable information. It will tell you how the food you eat and the beverages you drink effect your glucose levels. Do they raise it? If so, it’s something to avoid. What foods help you to a lower glucose reading? Only testing will give you that information.
It doesn’t matter if the results are off, you can still learn a great deal from frequent regular testing. There is no excuse not to test. Your testing provides at the very least a yard stick for fighting diabetes. Use it.
Did you know when your glucose is tested in the lab – where they have controlled conditions, time to conduct the test, and the best equipment available can still be +/- 4%? That’s kind of amazing.
In the event you need a refresher course on how to test, you can find it here.
A final thought. Just because meters can have an error factor of 20% does not mean they do. They can be off by less. I think mine is off by about 15% – not great, but closer. I won’t know for sure until I get my next A1c test – in about three months.
Get the point – of your lancet – often!
As always, thank you for reading.