1. What is HbA1c?

HbA1c (glycated hemoglobin) reflects average blood glucose levels over the past 2-3 months. It's a crucial marker for long-term glucose control in diabetes management.

2. How is HbA1c Calculated from eAG?

The calculator uses the following formula to estimate HbA1c from average glucose:

Where:

• \( A1C \) — Glycated hemoglobin (percentage)
• \( eAG \) — Estimated average glucose (mg/dL)

Explanation: This formula provides a linear relationship between average glucose levels and the percentage of hemoglobin that becomes glycated.

3. Importance of HbA1c Measurement

Details: HbA1c is a standard measure of long-term glycemic control, used for diabetes diagnosis and monitoring treatment effectiveness.

4. Using the Calculator

Tips: Enter your average glucose level in mg/dL. The value must be greater than 0.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between HbA1c and daily glucose readings?
A: HbA1c reflects average glucose over 2-3 months, while daily readings show immediate glucose levels.

Q2: What are normal HbA1c values?
A: Normal is below 5.7%, 5.7-6.4% indicates prediabetes, and 6.5% or higher suggests diabetes.

Q3: How often should HbA1c be tested?
A: Typically every 3-6 months for diabetes management, or as recommended by your healthcare provider.

Q4: Are there conditions that affect HbA1c accuracy?
A: Yes, conditions like anemia, hemoglobin variants, or kidney disease can affect results.

Q5: Can HbA1c replace daily glucose monitoring?
A: No, HbA1c complements but doesn't replace daily monitoring which helps with immediate treatment decisions.