fbpx A1C Chart DCCT; A1C to Blood glucose Chart

A1C Chart & Calculator

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A1C chart

A1C Chart is a comfortable way to understand A1C % result and help relate it to your glucose meter reading.

Before going into the details of A1C chart. first we should know the basics about a1c.

What is an A1C? What does the Numbers Mean? Why the A1c Test Is Important?

The A1C also known as HbA1c or glycated hemoglobin is a blood test that shows how well your diabetes management plan is working. The A1c test tells you your average level of blood sugar over the past 2 to 3 months. For more visit What is A1C test?

How Is Hemoglobin A1c Measured?

HbA1c may be separated by charge and size from the other hemoglobin A components in blood by a procedure called high pressure (or performance) liquid chromatography (HPLC).

What is a good Hemoglobin A1c level? What is a “normal” A1c value for those not diagnosed with diabetes?

Healthy non-diabetics HbA1C range is within 4.2-4.6%. Many-experienced diabetics have been achieving the above range.  For more visit Healthy A1C Goal.

How often should you have A1C test?

Your doctor wants to see what your A1C results are for 2 to 4 times a year.

How accurate is the A1C test?

The A1C is now standardized, and the acceptable variance can be within 0.5%. So if you result is 6.5%, then the actual reading could be anywhere from 6 to 7% (i.e. 6.5 - 0.5 to 6.5 + 0.5). There are some health conditions that could effect the accuracy of the A1c. For more visit 9 Undesirable Factors Affecting HbA1C test https://healthy-ojas.com/diabetes/a1c-test-errors.html

What is the difference between eAG and the average on the glucose monitor?

eAG is not the same as the average of your meter reading. Mostly meter average is lower than eAG, because people with diabetes are check their blood glucose more often when they are low, so the meter readings average likely to be lower than eAG. Glucose monitor measures your blood glucose at the moment, whereas eAG or A1C represent an average of your glucose levels 24 hours a day, including times when diabetics are less likely to check their blood glucose.

Can A1C test be used for the diagnosis of pre-diabetes and diabetes?

A1C test alone for the diagnosis of diabetes might lead to over or miss the diagnosis. But A1C test can be used along with all other diabetes diagnosis tests.

What are the benefits of A1C test?

Studies confirm A1C importance to avoid diabetes complications. Popular studies DCCT, UKPDS, EDIC & EPIC-Norfolk, confirms the link between A1C and diabetes complications. For more visit Benefits of A1C in Diabetes Control

What are the limitations in the hemoglobin A1c test?

HbA1c may be increased or decrease falsely in certain medical conditions. For more visit A1C Test Errors

My A1C is high! How can I lower my A1C?

Achieving your set target is not an easy job. It requires patience, interest to learn, ability to analyze, willpower to accept failures, and stick with lifestyle changes. For more visit How to lower A1C?

Does aging affects A1C level? What are the A1C Levels of non-diabetic aged people?

A1C levels has a positively associated with age in nondiabetic individual. A1C were 6.0% and 5.6% for nondiabetic individuals aged less than 40 years in FOS and NHANES respectively, and also 6.6% and 6.2% for individuals aged 70 years. 

Why do you need an A1C chart?

The A1C result is significant for long-term glucose monitoring. It helps to know, how well or bad your past 3 months blood glucose control. A1C in percentage may be confusing because we measure glucose levels in mg/dl or mmol/l. Converting A1C to equivalent average glucose is easier to interpret.

A1C Chart DCCT- A1C to Blood glucose converter

DCCT formula seems to work best in people with high blood sugars. Because this formula derived from such group.

A1C chart in this article shows the relation between A1C and its BS equivalent, based on the DCCT formula.

A1C Chart

Diabetes Control and Complications Trial or DCCT, New England Journal of Medicine 1993; 329:977-986. They studied 1400 T1D; quarterly A1C tests were the primary measure of glycemic control. The study subjects performed quarterly 24-hour, 7-point capillary blood glucose profiles in the home. These are 3 pre-meal tests, 3 post-meal (after 90 minutes) tests, and 1 at bedtime.

Diabetes Care 25:275-278, 2002 result showed a linear relationship between HbA1c and eAG. eAG in mg/dl = (35.6 x HbA1c) - 77.3 or eAG in mmol/l = (1.98 x HbA1c) – 4.29.

Reference: "Defining the Relationship between Plasma Glucose and HbA1c, Analysis of glucose profiles and HbA1c in the Diabetes Control and Complications Trial," Diabetes Care 25:275-278, 2002.

Dr. Richard K. Bernstein, the author of the popular book "Diabetes Solution." He is the first who succeeded using low-carb diet for his type-1 diabetes control (with an A1C of 4.2 to 4.6).

Dr. Richard K. Bernstein recommends DCCT's formula to convert A1C to BS. Additionally, our website visitors have preferred DCCT over ADAG formula. 

A1C Calculator based on DCCT formula

How do you convert the hba1c to average blood sugar level? Just enter your hba1c number in the box after “Enter your a1c” and press “calculate.” The calculator provides you the average blood-sugar numbers in mg/dl or mmol/L.

Enter your a1c:

eAG equavalent in mg/dl is: ?

eAG equavalent in mmol/dl is: ?

This hba1c calculator is using DCCT formula.

Is your A1C high? Don’t panic!

If your A1C number is on a higher side say over 7 or 8%, do not worry! You can lower your A1C with certain changes in your lifestyle. First, you should finalize your A1C target and know the benefits of A1C. Then you become interested and finally achieve your target by learning how to lower A1C?

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