# Why A1c can be different from eA1c and GMI

**URL:** <https://forum.fudiabetes.org/t/why-a1c-can-be-different-from-ea1c-and-gmi/6491>\
**Category:** Treatment\
**Tags:** cgm, a1c\
**Created:** [September 17, 2018, 2:58pm UTC](https://forum.fudiabetes.org/t/why-a1c-can-be-different-from-ea1c-and-gmi/6491 "2018-09-17T14:58:04Z")\
**Posts on this page:** 1\
**Showing post:** 18

<div class="post-metadata">

**Author:** ![Michel](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/michel/32/387_2.png) [@Michel](https://forum.fudiabetes.org/u/Michel)\
**Post date:** [February 7, 2019, 5:00pm UTC](https://forum.fudiabetes.org/t/why-a1c-can-be-different-from-ea1c-and-gmi/6491/18 "2019-02-07T17:00:40Z")

</div>

I couldn’t revisiting this thread full of interesting data and sources after the recent discussion we had on GMI vs A1c:

> [@GMI versus estimated A1C on SugarMate -- How do I interpret this number?](https://forum.fudiabetes.org/t/gmi-versus-estimated-a1c-on-sugarmate-how-do-i-interpret-this-number/6438):
>
> Just noticed that GMI is listed on SugarMate rather than estimated A1C. How do I interpret this number? Is it any different than eA1C?

---

_[View the full topic](https://forum.fudiabetes.org/t/why-a1c-can-be-different-from-ea1c-and-gmi/6491)._