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I suspect Freestyle Libre 3 is even “worse” than G7 with it’s MARD of 7.9% and one minute sampling rate. G7 on steroids :D I switched recently from G6 and what a ride I had yesterday when trying to fix one hypo got 3 consecutive nasty ones instead (tried to bolus after each climb out of low so that blood sugar wouldn’t skyrocket later). The readings just aren’t as predictable, they jump around and I ended up reacting too soon… But I will keep using it, who knows I might see some patterns in time and get a handle of it hopefully, I just like every minute readings too much.

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It would be interesting to get a follow up after six months (or sooner) if you make a final decision for yourself.

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Thanks for the article. I recently tried the G7 and found similar results. My Tandem pump using Control IQ seemed to struggle with the anomalies and it was frequently shutting off basal and issuing corrections.

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I've been T1D since 1979 and on a Dexcom since 2008. I also have tight control and recently moved to the G7, while continuing to wear a G6. Your post was incredibly helpful in explaining the different readings between the two, accuracy vs precision and everything else. Thank you!

I agree that Dexcom allowing us to choose our algorigthm would be great. I base treatment decisions on clear trends...measurements that jump all over the place make it really hard to do so.

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