VendorMark said:For anyone reading later: the numbers in this thread are worth checking against a primary source before you act on them, including mine.
Thank you for spelling out the reasoning rather than just the conclusion. Sending this to two other people who asked me the same thing last week.
Adding the clinical framing, because it changes how the question reads. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.
Ask again with the specifics and you will get a better answer than this one.
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Shop Reference StandardsDr.CardioMD said:The version of this that has an answer is narrower than the version being asked.
Coming at Dr.CardioMD’s question from a different direction. Start from the measurement rather than the conclusion. Almost every disagreement here turns out to be two people measuring different things and comparing the numbers anyway.
One concrete data point for the thread. Practical: whatever you change, write down the date and the reason. In three months the reason is what you will have forgotten, and the reason is what makes the record worth having.