[Meta] the glycaemic control rule is doing its job and people should stop complaining
the glycaemic control rule is doing its job and people should stop complaining. Short post, long comment section, probably.
Certain conditions affect A1c independently of glycaemia. If a result looks inconsistent with the sensor data, that is a question for whoever manages your care rather than for this board.
Panicked over a first-day sensor reading and rebuilt my week around it. It was the sensor.
Time in range told me far more than the average did. Two quarters with the same A1c looked completely different on the sensor.
If somebody has the same thing measured a different way, post it next to mine and we will see whether they agree.
best — the order this archive was captured in
Incretin-based agents stimulate insulin secretion in a glucose-dependent manner, which is why hypoglycaemia risk with them alone is low. Risk rises with agents that act independently of glycaemia.
The three numbers, and what each one can and cannot tell you.
A1c is an average over about three months, weighted to the recent weeks. It cannot show variability and it lags change. Continuous monitoring shows the shape — excursions, overnight, time in range — and is where improvement usually becomes visible first. Fingersticks are point measurements, useful for sanity-checking a sensor and for specific questions.
Most of the frustrated posts here come from expecting one of the three to answer a question that belongs to another. And all three are inputs to a conversation with whoever manages your care, which is not this board.
Yes — time in range tells you about variability, which the average deliberately hides.
Postprandial excursions typically respond earlier than fasting glucose, so the sequence people observe is not a sign that something is not working.
Same. The first day of a new sensor is unreliable and people rebuild their whole week around it.
Identifying details redacted from the exported report above.
My eGFR moved and it turned out to have nothing to do with glucose at all.
What else is in the regimen?
Disagree — that is an obesity trial endpoint and this thread is about glycaemic control.
Continuous monitoring shows the shape: postprandial excursions, overnight behaviour and time in range. Two people with identical A1c can have very different distributions.
Brought the whole CGM export to my appointment rather than one number. Entirely different conversation.
A1c, CGM, or fingersticks — which are we discussing?
a single high reading is not a trend
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Push back: one sensor reading is not a data point worth acting on, especially in the first day of wear.
a single high reading is not a trend
This is the distinction that resolves most of the confusion here — average versus shape.
The diabetes and obesity programmes are separate, with different populations and different primary endpoints. Reading a result across from one to the other is not a comparison.
I would not compare your numbers to that population. Different baseline, different regimen, different trial.
- 1A1c, CGM, or fingersticks — which are we discussing?6 comments in this branch · started by u/fasting_insulin_f