How accurate are Glucose Monitors?
Blood Sugar-Monitor
Now, I’ve already cut out carbs, sugars and starches and couldn’t figure out why it was so high. So, I tested my blood sugar with the free monitor I received from the giveaway on one of my other blogs, Freebies For Us. This time it tested 126. Still high from what it had been the previous week, at 110.
I thought of testing with my old monitor but there aren’t any more strips for it.
It made me wonder just how accurate are these portable blood sugar monitors? For weeks the first one was testing me in the high 120s, even though I’d cut out starches, sugars, severely limited carbs and was walking 3 miles a day.
Uptodate.com has this info on the accuracy of glucose monitors:
ACCURACY OF HOME GLUCOSE MONITORING — Accuracy refers to the ability of a system to report a result that reflects the actual blood glucose level. Accuracy can be affected by several factors, including the type of blood glucose strip and monitor.
Check the accuracy of a blood glucose monitor occasionally by bringing it to visits with a healthcare provider when blood work is done; use the home monitor to check the blood glucose at the same time that a laboratory blood glucose level is drawn.
Hospital or office laboratories report glucose levels in part of the blood, called plasma. Most blood glucose monitors also report plasma results (this should be stated on the test strip or glucose monitor packaging). Older meters reported whole blood glucose results, which can differ from plasma results by as much as 15 percent. When comparing glucose monitor results with those from a laboratory, there should be no more than a 15 percent difference; larger differences may indicate a problem with the monitor, blood glucose strips, or monitoring technique.
March 12th, 2009 at 6:54 pm
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December 10th, 2009 at 12:41 pm
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