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Blood Sugar Level %

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nh0408

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Type 2
Hi all, as a relative newbie I wonder if you lovely peeps can help me with a query I have but cant seem to find the answer as it's all very confusing to me.

What I am wanting to know is, if a person has a Hba1c level of 112 mmol (apologies if I haven't got the terminology quite right) would this equate to a blood sugar / glucose of 11.2% if you were doing a similar test on a portable machine, or doesn't it work like this.
 
nh0408 said:
Hi all, as a relative newbie I wonder if you lovely peeps can help me with a query I have but cant seem to find the answer as it's all very confusing to me.

What I am wanting to know is, if a person has a Hba1c level of 112 mmol (apologies if I haven't got the terminology quite right) would this equate to a blood sugar / glucose of 11.2% if you were doing a similar test on a portable machine, or doesn't it work like this.
Click to expand...
Hi, short answer, no! Long answer, are you sitting comfortably?
The HbA1c is an average of how much blood glucose stuck to your red blood cells over the last three months, and is measured in mmol/mol.
The figure you get from a blood glucose meter is measured in mmol/L and is a 'snapshot' of what your blood glucose level is at that particular point when you test. During the day and night, your level will vary considerably, depending on whether you've just eaten, or exercised, etc. So they measure two very different things.( If you were to test your blood glucose continuously throughout the day, and work out the average over a week, say, there would be a correlation, but that's a bit of a red herring.)
If you have seen figures quoted in % terms, this is likely to be an HbA1c figure, up to a couple of years ago, this was how they were measured. It's changed, to the 112mmol/mol that you will have seen, but some doctors still quote the old percentage.
 
Hi Robin, that was explained absolutely brilliantly. Thank you so much and apologies if I appeared a bit dense
 
Hello nh0408,

What Robin said,🙂

An HbA1c result of 112mmol/mol equates to an average blood sugar finger prick test result on a meter of 17.1 mmol/L .
In old percentage terms an HbA1c result of 112mmol/mol is equivalent to 12.4%
 
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