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eAG Equation:
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The eAG (estimated Average Glucose) equation converts HbA1c percentage to an average glucose value in mg/dL. This helps patients and healthcare providers understand HbA1c results in terms of daily glucose measurements.
The calculator uses the eAG equation:
Where:
Explanation: The equation provides an estimated average glucose level that corresponds to the HbA1c measurement, helping translate long-term glucose control into more familiar daily glucose values.
Details: Converting HbA1c to eAG helps patients better understand their glucose control and makes it easier to relate to self-monitored blood glucose readings. This improves diabetes management and patient engagement.
Tips: Enter HbA1c value as a percentage. The value must be greater than 0. The calculator will provide the corresponding estimated average glucose in mg/dL.
Q1: What is the relationship between HbA1c and eAG?
A: eAG represents the average glucose level over the past 2-3 months, which corresponds to the HbA1c measurement. It helps translate the percentage into more familiar glucose units.
Q2: How accurate is the eAG calculation?
A: The equation provides a good estimate for most patients, but individual variations in glucose patterns may cause some discrepancy between eAG and actual average glucose.
Q3: Can eAG replace daily glucose monitoring?
A: No, eAG provides an average value but doesn't show glucose variability. Daily monitoring is still essential for detecting highs and lows and making treatment adjustments.
Q4: What are typical eAG values for different HbA1c levels?
A: For example, HbA1c of 6% corresponds to eAG of ~126 mg/dL, 7% to ~154 mg/dL, 8% to ~183 mg/dL, and 9% to ~212 mg/dL.
Q5: Are there limitations to this conversion?
A: The relationship may vary slightly between individuals, and the equation may be less accurate at extreme HbA1c values or in certain medical conditions affecting red blood cell turnover.