blood sugar higher or lower?

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Regular Member

Date Joined Apr 2009
Total Posts : 218
   Posted 7/25/2009 8:36 AM (GMT -7)   
Hi,  just wondering...does anybody know if the blood glucose meters test higher most of the time or test lower than what your sugar reading  really is.  From reading about glucose meters I've learned that they have a variance of 15 to 20%.  I don't even know if I've worded this right.  I am anxious to if someone can enlighten me.  I have wondered if they read on the high side or on the low side as a general rule.  I hope this isn't a dumb question!  I'm glad I found this's helping me so very much.  My numbers are lower thanks to so much good advice on this forum.  I have to admit that I'm afraid at this time and want to really work hard at controlling my sugar.  I have a first cousin who just recently lost both legs to diabetes.  I am 63 years old and have not been diagnosed pre or diabetic, but was told my sugars were high and I need to lower them.  No meds were prescribed.

Lanie G
Forum Moderator

Date Joined Nov 2006
Total Posts : 6025
   Posted 7/25/2009 9:24 AM (GMT -7)   

I don't know if there's consistancy in the meters being higher or lower in accuracy.  I've only read as you have that there's a +/- 15 to 20% accuracy accepted in the industry.  There are so many factors involved like, humidity affecting test strips, quality of blood bead (too small..), individual meters, even meds and supplements we take.  I have four Bayer Contours, one is older and takes 15 seconds for results and it always reads much higher than my 3 newer ones.  The best way to check for their accuracy is to bring your meter in to the lab when you're having your blood tests done and use your own to test right after they do their test.  When you get the lab results, compare them to your own meter's.  You're wise to be aware of your blood sugar, especially if you have diabetes in your family and if you are carrying around extra weight (and I don't mean the laundry basket).  wink    A low or lower carb diet will help you control the blood sugar and lose some weight.  Also, doing some sort of regular exercise will help, like walking.  And - don't forget, there are no dumb questions here. 


forum moderator - diabetes
diabetes controlled so far by low/no carb diet and exercise; no meds

Post Edited (LanieG) : 7/25/2009 10:27:16 AM (GMT-6)

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