A 0.5% change in HbA1c is considered clinically significant. Is there an equivalent value in the mmol/mol units to determine whether a change in HbA1c is clinically significant?
Sanong Suksaweang
Yes, from the International Federation of Clinical Chemistry, use the following number to convert from % to mmol/mol; mmol/l = (1.583 × HbA1c) − 2.52. Also from % to mg% via (28.7 x HbA1c) - 46.7
For example If you have 6.5% but your friend has 7%. Therefore, you are having blood sugar 7.7695 mmol/mol (about 7.8) or 139.85 mg% (about 140).
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Sanong Suksaweang
Therefore, if your HbA1c is 6%, your estimated average glucose would be 125.5 mg%. This value is considered high risk for DM but not a DM, yet.
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