Following on from PharmacoVig_BOS — and this may be the naive question:
Was that from a primary source or from a summary of one?
Following on from PharmacoVig_BOS — and this may be the naive question:
Was that from a primary source or from a summary of one?
Closing the loop on my own question.
Update: the thing I was blaming turned out not to be the cause. Leaving the original post as written rather than editing it, so the mistake stays visible for whoever searches this next.
HPLC_Greg said:If you are comparing against somebody else’s result, check that you are comparing the same measurement taken the same way.
No disagreement, though the timescale matters more than the mechanism here. Most of what looks like a difference in kind turns out to be a difference in how long somebody waited.
Correct me if the detail matters more than I have assumed.
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Shop Reference StandardsOld thread, but it comes up first when you search for this, so it is worth updating. Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a trend.
Clinical perspective, offered as context rather than as advice. It helps to ask what evidence would change your mind before you look at any. If nothing would, the discussion is not about evidence, and it is better to say so early than to spend nine posts discovering it.