Averaging glucose meter readings

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Averaging glucose meter readings


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Old 07-05-2012, 02:09   #1
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Default Averaging glucose meter readings

I was wondering how you all averaged out your glucose readings. Do you take the totals of every reading you have and average them out, or do you average your fasting readings and then average the rest. I was wanting to keep an average of fasting and after meal and I was wondering how the rest of you did this or if you even average them out. Thanks and have a great night/day!!!

I took all my fasting readings and it averaged out to a 111
Then I took the rest of the readings averaged them and got a 140.

 
Old 07-05-2012, 03:31   #2
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I don't actually do the math for myself, but what you described seems a reasonable way to do it.

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Old 07-05-2012, 04:23   #3
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In an attempt to have a reasonable idea of my A1c I used to average out my monthly BG numbers (all put together). But later I learnt that I was a high glycator & my A1c refused to tow my average BG line. I therefore gave up the entire guessing game and just concentrated on my numbers. My A1c gave up playing games with me and behaved itself thereafter.

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Old 07-05-2012, 08:19   #4
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I use Glucose Buddy on my iPad to record my readings. I can select averages of All, 7 days, 30 days and 90 days. I also look at the memory on my meter for averages.

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Old 07-05-2012, 11:40   #5
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My understanding is that there is a rough relationship between daily readings and HBA1C but its not that straight forward.

From a diabetes management perspective its not about averages, its more what kind of patterns are your BGLs experiencing overtime and do they fit in the required range.

or atleast that's the way ive done it

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Old 07-05-2012, 12:08   #6
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Quote:
Originally Posted by hld12 View Post
I was wondering how you all averaged out your glucose readings. Do you take the totals of every reading you have and average them out, or do you average your fasting readings and then average the rest. I was wanting to keep an average of fasting and after meal and I was wondering how the rest of you did this or if you even average them out. Thanks and have a great night/day!!!

I took all my fasting readings and it averaged out to a 111
Then I took the rest of the readings averaged them and got a 140.
As some of the others have said, the relationship of HbA1c to average blood glucose is not particularly clear. I found that using the Norton formula (one of the three most common), I got a reasonable match against my morning fasting figure average. Whether that means anything, I'm not sure.

I don't use my meter average figure since I don't think it can possibly produce anything meaningful by way of average since it appears to count
  • screwed up readings (dirty hands etc),
  • fasting figures,
  • one hour figures,
  • two hour figures.....
Basically, I think that unless you use a continuous monitoring system you can't get a true average reading. Your meter doesn't provide that sort of data. All you can do with your meter readings is much as you have done - group the readings into categories and get an average value for each category.

As SummerDays said, one reading in splendid isolation tells you very little. What you are looking for is a pattern over time for a given type of reading. Then when you do get a strange value, your question becomes - "can I explain this?" and sometimes you can - but even if you can't, it gives you a heads up of a possible issue.

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Old 07-05-2012, 13:59   #7
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Most meters have the capacity to do these averages. I don't do the math myself either. I look for specific bg numbers at different times of the day. For fasting I like to be close to 100. After meals I like to be no higher than 120. Now, I don't always meet my goals. When I get a higher number I try to figure out why and change something.

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Old 07-05-2012, 16:33   #8
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Thanks everyone for replying back. Hope everyone is having a great day!!!

 
Old 07-05-2012, 18:27   #9
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For the most part, I don't do anything. A few months ago, though, I decided to do a fasting average, a complete average of all my readings, and the standard deviation. Excel can do all the math for you, but you do need to know how to enter the information in the correct format.

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Old 07-05-2012, 19:52   #10
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For the most part, I don't do anything. A few months ago, though, I decided to do a fasting average, a complete average of all my readings, and the standard deviation. Excel can do all the math for you, but you do need to know how to enter the information in the correct format.

I have Microsoft Works, and what I have been doing to get the average is to total the column and divide that by however readings I have.

 
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