Ferritin and iron studies on GLP-1 — need advice

Dr.PainCLE said:

Whatever the answer turns out to be, the method for getting there is the same: state the assumption, do the arithmetic in public, and invite the…

There is a second half to this that has not been said yet. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.

I would rather be corrected than agreed with, if it comes to it.

One concrete data point for the thread. Keep the original post as written when you update it, and add the correction underneath. An edited-away mistake is invisible to the next person who makes it.

Ask again with the specifics and you will get a better answer than this one.

Following on from Dr.PainCLE — and this may be the naive question:

What would you measure differently if you were starting again?

TrialTracker_MD said:

Keep the original post as written when you update it, and add the correction underneath.

I read this differently from TrialTracker_MD, on substance rather than tone. I think the framing smuggles in the conclusion. Ask it the other way round and the obvious answer reverses, which usually means the question is doing the work.

TrialTracker_MD said:

Keep the original post as written when you update it, and add the correction underneath.

Correct, and worth adding that it is reversible. Nothing being described here is a one-way door, which changes how cautious it is reasonable to be.