A Comparison of the Combined HbA1C values from Two Predicted HbA1C Results Against 13 Lab-Tested HbA1C Results Within a 41-Month Period Based on GH-Method: Math-Physical Medicine (No. 522)

Abstract

Since 1/3/2012, the author utilized his collected data of finger pierced glucose readings 4 times each day to estimate the predicted daily HbA1C value also known as the “Daily finger A1C” by dividing the daily average finger glucose value by a factor of 18.7. Starting from 5/5/2018, along with his finger glucoses, he has been collecting 96 glucoses each day using a continuous glucose monitoring (CGM) sensor device until present day. Based on the collected CGM sensor glucoses, he further estimated another predicted HbA1C value known as the “daily sensor A1C” by dividing the daily average sensor glucose value by a factor of 16.7. Finally, in this article, he merges the above-mentioned two HbA1C values into a “Combined HbA1C” with different assigned weighting factors for each A1C value. His simple equation of the combination is as follows: Combined A1C= 0.4*Finger A1C + 0.6*Sensor A1C Although his initial dates for his finger glucoses and CGM sensor glucose are different, he has chosen an overlapping period of 1,233 days, 41 months, or 3.4 years from 5/8/2018 to 9/22/2021. In addition, he accumulated his 13 lab-tested HbA1C values within the same period approximately 3.2 months with one lab-test done quarterly. He then compares his combined A1C waveform against the lab-tested A1C waveform to check the suitability of the developed equation for the combined HbA1C.