[PSA] hypoglycaemia is not what most of this community thinks it is
Writing this once so it can be linked instead of retyped: hypoglycaemia is not what most of this community thinks it is.
Assumed the weight endpoints from the obesity trials applied to my situation. They are different programmes.
Variability dropped before the average did, which was visible on the sensor and invisible on the lab result.
Kept fingersticks alongside the sensor for two weeks to sanity-check it. Worth doing once.
Sceptical readings welcome. The confident ones are the ones I distrust.
best — the order this archive was captured in
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.
Disagree — that is an obesity trial endpoint and this thread is about glycaemic control.
the fasting number is the one people fixate on and it moves last
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Cosigning that postprandial excursions improve first and the fasting number is the laggard.
Push back: one sensor reading is not a data point worth acting on, especially in the first day of wear.
Push back: one sensor reading is not a data point worth acting on, especially in the first day of wear.
Disagreeing with this line: that endpoint is from the obesity programme and does not answer the question.
dose for glycaemic control is not the same conversation as dose for weight
The order things move in, since nobody explains it and it worries people.
Postprandial excursions generally respond earliest. Variability tends to narrow before the average does, which is visible on a sensor and invisible on a lab result. Fasting glucose is often the laggard, and A1c — being a three-month average — is the last thing to reflect anything.
So a month in which the sensor looks better and the fasting number has not moved is the ordinary sequence, not a contradiction. Knowing that in advance would have saved me a quarter of unnecessary worry, which is why it is worth writing down.
Small fix — insulin secretion in this class is glucose-dependent, which is precisely why the risk you describe comes from the other agent.
That is a sensor value, not a plasma value, and the two are not interchangeable at that level of precision.
A1c reflects average glycaemia over roughly the preceding three months, weighted towards the most recent weeks. It cannot show variability and it lags any change you make.
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.
What does time in range look like, not just the average?
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.
Brought the whole CGM export to my appointment rather than one number. Entirely different conversation.
Agreed on variability. Two people with the same average can have completely different days.
Correction: that trial is the diabetes programme and the figure you quoted is its glycaemic endpoint, not a weight result.
Brought the whole CGM export to my appointment rather than one number.
Agreed, and the glucose-dependence point is the reason the risk profile reads the way it does.
Continuous monitoring shows the shape: postprandial excursions, overnight behaviour and time in range. Two people with identical A1c can have very different distributions.
check the trial population before quoting a result at somebody
Sensor accuracy varies across wear, and readings on the first day are the least reliable. Calibration practice and compression artefacts explain many alarming single values.
Correcting myself: 18 weeks between those two A1c results, which is too short an interval to interpret.
Have you taken this to whoever manages your diabetes?
Yes — the person managing your diabetes is the one to talk to, and this board is explicit about that.
- 1Push back: one sensor reading is not a data point worth acting on,…6 comments in this branch · started by u/sanne_laurent
- 2Continuous monitoring shows the shape: postprandial excursions, overnight…6 comments in this branch · started by u/arne_amankwah