DeniseRN_TPA said:

Almost every unanswerable question in these threads is unanswerable because three things changed in the same fortnight, and no amount of subsequent…

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.

The figures, for anyone assembling their own picture. If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way. Most of the apparent contradictions in these threads dissolve at that step.

Following on from DeniseRN_TPA — and this may be the naive question:

Did your prescriber agree with that reading, and if not what was their objection?

Dr.PeteFamMed said:

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

Pushing back on Dr.PeteFamMed here. I would resist the confidence. Half of what this board was certain about two years ago has since been quietly dropped, and nobody went back to correct the threads.

That is the short version; the long version is somebody else's post.

Dr.PeteFamMed said:

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

True, and it depends on a baseline nobody has stated. Without knowing where someone started, the same number can be an excellent result or a disappointing one.