Recipes Conversion between long-term glycemic DCCT HbA1c [%] and IFCC HbA1c [mmol/mol] and Glucose P [mmol/L] The old value of "long-term glycemic" - also called gossip test - was before declared in % and was known as DCCT-HbA1c (Diabetes Control and Complications Trial). It has now been decided that the Danish laboratories must follow the new value mmol/mol which is known as the IFCC HbA1c (International Federation of Clinical Chemistry). It's still the same case, but only with two different denominations. Glucose P is the mean value, which provides a snapshot of blood sugar at the time of measurement. It is measured in mmol/L, and it is the value that most "home" blood glucose meters are showing. If you enter your value (eg 6.9 mmol/L) into the box, you can read the DCCT to 6 % and IFFC to 42 mmol/mol, which is within the normal range. If the physician set your "blood glucose" value to 7 % it would be equivalent to 53 mmol/mol after the new unit. In the field below, you can insert your value in % and read out mmol/mol. You can also go the other way around, insert your value in mmol/mol and read out in %. You can also add the value from your "home" blood glucose meters for example 7.8 [mmol/L], and find the corresponding values for the DCCT to 6.5 % and IFCC to 48 mmol/mol, which is slightly above the normal range. See my Excel Spreadsheet Blood glucose measurements. As a curiosity it can be mentioned that a healthy person of 75 kg with a blood volume of 5 liters has approximately 5 grams of sugar in the blood. The calculation is as follows: Measured Glucose P 5.5 mmol/L or 100 mg/dL (Glucose C6H12O6 mol mass 180.1472 ). The conversion factor from mmol/L to mg/dL is 180/10 = 18. In 5 liters of blood is thus 50 dL * 100 mg/dL = 5 g sugar. Remember the value you place in the field must match the unit right after the radio button. However, the % is not entered by the DCCT. Use decimal sentence, if it is necessary.

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