This is a continuation of a long topic, addressed by post number rather than by page. Start at post 1.
On panel, I would rather understate and be corrected upward than overstate and be quoted. That is a house style here and it is a good one.
Whatever the answer on panel turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, invite the correction.
Taking post #91 at face value and following it one step further.
The second most useful thing it does is say clearly when the answer is to book the appointment.
Answering the question post #91 raises rather than the one it answers.
General information rather than advice about anyone's care. A single value outside a reference interval, on a single draw, in an otherwise unremarkable panel, is usually uninformative.
If anyone has run this properly I would rather read that than my own guess.
Where a panel includes a calculated value, that value inherits the imprecision of everything it was calculated from and is usually reported without an interval.
Not a conclusion. A place to stand while looking for one.
Thank you for taking the time. That was more work than a reply usually is.
Post #99 is right about the mechanism and I think understates the practical bit.
Glycaemic markers integrate over different periods. A point glucose and a longer-term marker disagreeing is not a contradiction; it is two different questions.
That holds for the case as described. Change the assumptions and it may not.
Lipid panel interpretation: total, LDL, HDL, triglycerides all on one panel. Reading them together is more informative than reading one value in isolation. An elevated triglyceride with low HDL is different from triglyceride elevation alone.
That is the version I use. It may not be the version that is correct.
Adding the measurement that post #99 says would settle it.
The arithmetic on panel is the easy part and it is where the errors are, which is an uncomfortable combination. Show your working and someone will catch it.
Good question, well framed, and I would like to see it answered properly.
Time of day: some biomarkers vary across the day. Cortisol in the morning differs from cortisol in the evening. Comparing results from different times of day is comparing things that are not the same.
I am not the right person to answer the follow-up to this.
If you are new and reading this thread for the answer to panel: the answer is conditional, the conditions are in the third reply, and the rest of the thread is worth skipping.
Time of day: some biomarkers vary across the day. Cortisol in the morning differs from cortisol in the evening. Comparing results from different times of day is comparing things that are not the same.
Narrowing post #109, because the general version has more than one answer.
Nothing in this subcategory is medical advice, and a panel with an unexpected result is precisely the situation where that matters.
Noting that I have skin in this question and have tried to discount for it.
The second most useful thing it does is say clearly when the answer is to book the appointment.
A weak preference rather than a position.
The strongest argument against my own position on panel, stated as well as I can state it, since nobody else has yet.
What I would tell a new member reading about panel for the first time: the confident posts are not the reliable ones, and the reliable ones are longer.
A trend needs at least three points to be a trend. Two points are a line and a line through noise is still a line.
This is the version I would want a new member to read first.
Trying to state the panel position in a way that someone who disagrees would recognise as fair, because I do not think the version in this thread passes that test.
Worth separating two things that post #115 runs together.
General information rather than advice about anyone's care. A single value outside a reference interval, on a single draw, in an otherwise unremarkable panel, is usually uninformative.
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