Saturday, 8 February 2020

Statistical pitfalls of personalized medicine (2018)


HERE is a concise and very clearly written explanation of the many issues that so-called personalised medicine has. It begins:

Personalized medicine aims to match individuals with the therapy that is best suited to them and their condition. Advocates proclaim the potential of this approach to improve treatment outcomes by pointing to statistics about how most drugs — for conditions ranging from arthritis to heartburn — do not work for most people. That might or might not be true, but the statistics are being misinterpreted. There is no reason to think that a drug that shows itself to be marginally effective in a general population is simply in want of an appropriate subpopulation in which it will perform spectacularly.

 
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