accuchek aviva 3 vs. micro relion
Per an MD's recommendation, I bought the Aviva and its expensive strips, and decided to see how accurate it was. So on same finger - same blood sample these are the results while on Metformin er
Aviva Micro Relion
4pm 107 133 (!) (haven't eaten since 12 noon - 21 gm carbs)
4:01 119 112
ran out of blood - so same finger, new puncture:
4:04 115 122
so since I didn't wipe off the first reading (i guess it was too serous) the first reading was 107 with the Aviva, but same sample, more blood - it was 133 on the Relion. The MD had been saying that the Relion was not accurate in that it was too low. Hmmm.
So, the Aviva had a 12 point difference, and the Micro relion had a 21 point spread. wow.
Did other people get the same results?
Tags: ?, Any, Aviva, accurate, find, more, other, people, relion, than
Replies to This Discussion
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Permalink Reply by Anthony Holko on -
Precision is usually reported as one standard deviation not to be confused with the smallest reading on the scale. I agree that the squeezing of fingers and other stuff can have some effect. But the biggest problem is the 5 second measuring time witch only allows time for an amperometric method and not the coulometric method used with the 60 second meters.
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Permalink Reply by smallboo on -
A while ago, I too did the test on a few different meters that I have. Accu-chek Avia, Compact, First step?? something or other & yet another I cant remember.. I did get different #s. I first thought, well 2 of them have that vial of stuff to check the accuracy for every new test strip vial you use...maybe strip problem? Then upon reading them I did see that the Avia & Compact were made by same company and supposedly more accurate with its technology.
I happen to be at my nutritionalist and thought I would throw my theory & my testing and research at her,
She explained it as the following:
If you were barefoot and dipped your toe in a stream, then dipped it again, you would never touch the same water, it would be always different-the same goes with your blood droplets.
I thought "A very strange example, but she is exceptionally bright, and on the ride home...it did make sense." I actually did an experiment with only one of my meters kept testing same puncture 5,6 & 7 times........all different results!
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Permalink Reply by tigger on -
Hey smallboo - thanks for the reply - yes - I have heard that about testing the blood sugar before - but never as clearly presented as you just did. It really makes a very clear picture. Thanks for participating. Nice hot yellow car!!!
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Permalink Reply by Anthony Holko on
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If the meter measured exactly the same drop of blood over and over it would still give you very different readings. The amount of reacting chemical in the strips varies from strip to strip and the measurement of how much chemical has reacted is also very inaccurate. So she was just muddying up the water instead of standing up for diabetics needs for accuracy, the more so when you are on insulin. It is people like her and my Endo that do great disservice to diabetics.
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