From the other side of the consultation, briefly. The useful move here is to separate what is established from what is widely repeated. Those two sets overlap less than the confident tone of most write-ups suggests, and the second set is where nearly all the disagreement on this board comes from.

HPLC_Greg said:

If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.

This answered a question I did not know how to ask. Sending this to two other people who asked me the same thing last week.

Clinical perspective, offered as context rather than as advice. 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 correction. That is slower than asserting, and it is the only version that survives being wrong.

DebRD_ATL 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…

This matches mine closely enough to be worth saying so out loud. The detail I would add is minor and it is already implied above.

Moderator note: a couple of off-topic posts removed. Report rather than reply if it drifts again.