# Unbelievable!

**URL:** <https://forum.fudiabetes.org/t/unbelievable/4538>\
**Category:** Flatliners\
**Created:** [July 21, 2018, 2:02am UTC](https://forum.fudiabetes.org/t/unbelievable/4538 "2018-07-21T02:02:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![docslotnick](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/docslotnick/32/75_2.png) [@docslotnick](https://forum.fudiabetes.org/u/docslotnick)\
**Post date:** [July 21, 2018, 2:02am UTC](https://forum.fudiabetes.org/t/unbelievable/4538/1 "2018-07-21T02:02:06Z")

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Not necessarily a flat line, but amazingly I got a 0.0 PGS! And only a 1.09 GVI! I must be living right.

 ![Screenshot_20180720-205524_xDrip%20](https://canada1.discourse-cdn.com/flex030/uploads/fudiabetes/original/2X/9/9dba4bde5323b2d75b2d96cd7b7dd15e3e20d8a2.jpg)

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**Author:** ![TravelingOn](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/travelingon/32/1583_2.png) [@TravelingOn](https://forum.fudiabetes.org/u/TravelingOn)\
**Post date:** [July 21, 2018, 3:38am UTC](https://forum.fudiabetes.org/t/unbelievable/4538/2 "2018-07-21T03:38:52Z")

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Congrats! You seem excited! But I have to admit I have no idea what those acronyms mean. 😉

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**Author:** ![docslotnick](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/docslotnick/32/75_2.png) [@docslotnick](https://forum.fudiabetes.org/u/docslotnick)\
**Post date:** [July 21, 2018, 12:43pm UTC](https://forum.fudiabetes.org/t/unbelievable/4538/3 "2018-07-21T12:43:38Z")

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@TravelingOn

> [@XDrip+ Now Displays GVI and PGS](https://forum.fudiabetes.org/t/xdrip-now-displays-gvi-and-pgs/3561):
>
> With the latest nightly release of xDrip+, the app now calculates GVI (Glycemic Variability Index) and PGS (Patient Glycemic Status). Basically, the GVI measures the length of your CGM track over a specific period of time. The longer the length of the track, the higher the glycemic variance. PGS basically measures your GVI+ mean glucose+ time in range and presents it in a single number that is closely related to your glycemic state, or control. These numbers are soon to become the measure of …