the CGM question that gets asked weekly, answered properly
the CGM question that gets asked weekly, answered properly. Not a hot take, just something I have not seen said plainly here.
Kept fingersticks alongside the sensor for two weeks to sanity-check it. Worth doing once.
Brought the whole CGM export to my appointment rather than one number. Entirely different conversation.
Assumed the weight endpoints from the obesity trials applied to my situation. They are different programmes.
Tell me where this is wrong. That is the useful part of posting it.
best — the order this archive was captured in
Continuous monitoring shows the shape: postprandial excursions, overnight behaviour and time in range. Two people with identical A1c can have very different distributions.
Time in range told me far more than the average did. Two quarters with the same A1c looked completely different on the sensor.
Push back: one sensor reading is not a data point worth acting on, especially in the first day of wear.
hypoglycaemia risk depends far more on what else you take
sensor accuracy varies and the first day of a sensor is the worst
Postprandial excursions flattened out first and the fasting number took months to follow. Nobody had told me to expect that order.
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.
Panicked over a first-day sensor reading and rebuilt my week around it. It was the sensor.
Not convinced. Hypoglycaemia risk from this class alone is low; the risk you are describing comes from the combination.
A1c, CGM, or fingersticks — which are we discussing?
A1c, CGM, or fingersticks — which are we discussing?
Adding the obvious one — bring the export, not the single number, to whoever manages this.
Identifying details redacted from the exported report above.
Are you quoting a diabetes trial or an obesity one?
metformin and an incretin agonist are not in competition
dose for glycaemic control is not the same conversation as dose for weight
My ferritin moved and it turned out to have nothing to do with glucose at all.
How long between the two A1c measurements?
Identifying details redacted from the exported report above.
fasting_insulin_f is right that the fasting number moves last. Knowing that in advance saves months of worry.
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.
What does time in range look like, not just the average?
- 1Panicked over a first-day sensor reading and rebuilt my week around it. It…11 comments in this branch · started by u/gustav_lindholm