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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 better understand what HbA1c levels mean 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 diabetes control by relating it to their daily glucose meter readings. This improves patient education and engagement in diabetes management.
Tips: Enter HbA1c value as a percentage (e.g., 6.5 for 6.5%). The value must be greater than 0. The calculator will provide the estimated average glucose in mg/dL.
Q1: What is the relationship between HbA1c and average glucose?
A: HbA1c reflects average blood glucose levels over the past 2-3 months. The eAG conversion provides this average in the same units as daily glucose measurements.
Q2: How accurate is the eAG conversion?
A: The conversion is based on large clinical studies and provides a good estimate, though individual variations may occur due to factors like hemoglobin variants.
Q3: Can eAG replace daily glucose monitoring?
A: No, eAG provides an average but doesn't show glucose variability. Daily monitoring is still essential for managing insulin doses and detecting hypoglycemia.
Q4: What are target eAG values?
A: Generally, eAG below 154 mg/dL corresponds to HbA1c < 7%, which is a common target for many adults with diabetes.
Q5: Does this work for all patient populations?
A: The equation works for most patients, but may be less accurate in conditions that affect red blood cell turnover or hemoglobin structure.