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eAG Equation:
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The eAG (Estimated Average Glucose) equation converts HbA1c percentage values to an estimated average glucose level in mg/dL. This provides a more intuitive understanding of blood sugar control for diabetes management.
The calculator uses the eAG equation:
Where:
Explanation: The equation provides an estimated average glucose level that corresponds to the HbA1c measurement, helping patients and clinicians better understand daily glucose control.
Details: Converting HbA1c to eAG helps patients relate their long-term glucose control to daily glucose meter readings, improving diabetes self-management and treatment adherence.
Tips: Enter HbA1c value as a percentage (e.g., 6.5 for 6.5%). The value must be greater than 0 and typically ranges from 4% to 14% in clinical practice.
Q1: Why convert HbA1c to eAG?
A: eAG provides a more intuitive measure that corresponds to daily glucose meter readings, making it easier for patients to understand their diabetes control.
Q2: What is the relationship between HbA1c and average glucose?
A: HbA1c reflects average blood glucose levels over the past 2-3 months, with each 1% change in HbA1c corresponding to approximately 30 mg/dL change in average glucose.
Q3: Are there limitations to this conversion?
A: The relationship may vary between individuals due to differences in red blood cell lifespan and other factors. It provides an estimate, not an exact measurement.
Q4: What are target eAG levels?
A: For most adults with diabetes, target eAG is below 154 mg/dL (corresponding to HbA1c < 7%). Individual targets may vary based on clinical circumstances.
Q5: Can this calculator be used for diagnosis?
A: No, this calculator is for educational purposes only. Diabetes diagnosis and management should be done under medical supervision.