BG

GMI – is it useful?

As I posted recently, my CGM data has been estimating my HbA1c will be 5.2% (which it was: 33 mmol/mol). However while Sugarmate also calculated an estimated HbA1c of 5.2%, its “GMI” value was 5.8%. I’ve always struggled to comprehend what GMI is meant to indicate. What is GMI? It turns out that “GMI” (Glucose Management …

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Fasting blood tests again

Recently I had to do the regular blood-test thing of fasting from the night before, then in the morning heading off to a collection site to have blood drawn, allowing me to have breakfast when I got home. I was reminded of the “Fasting glucose tests” article I wrote last year. Incidentally my endocrinologist did eventually …

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Faults in some BG meters

Recently Roche Diabetes Care (Accu-Chek) and the TGA issued a “product defect correction” notice for two Accu-Chek BG meters. The guts of the notice says: Accu-Chek Guide blood glucose meters with serial numbers lower than 92911000001 and Accu-Chek Performa blood glucose meters with serial numbers between 68920000000 and 68925525056 may: Display E-9 Errors (indicating that …

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BG graph scales

Our glucose data (whether it’s BG samples or CGM data) can be displayed in many ways. We can see a simple graph, a “spaghetti graph”, a percentile (AGP) graph, etc. These are all useful in different ways, but all I’m going to talk about here is the vertical scale on these graphs. Many of us …

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Targets and Goals

What is your goal for managing your BG levels? Many people think of the range 3.9-10 mmol/L as their “goal” for their blood glucose. It’s a commonly-referenced range. Of course, that’s being quite specific in terms of a goal. For most of us a better high-level goal is probably something like “live a full and happy life”. …

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