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wedrifid comments on Efficient Charity: Do Unto Others... - Less Wrong
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Anyone know what the probability of a whole blood or platelet donation saving a life is? That isn't rated by GiveWell, and I failed at finding the data in a Google search.
The Red Cross claims that 1 pint saves "up to 3 lives". I'm not sure what to make of that, given that it's an upper bound and presented by a non-partial source.
If anyone can do better, I would be very interested in knowing the answer. I always try to give blood as often as possible under the assumption that I save at least one life each time, but a more robust figure would be nice.
I presume it means that the first pint of blood donated, if allocated with efficient triage, could save three lives. At the margin I assume the figure is a small fraction of a life per pint donate.
Thanks to both of you. Yes, what I'm curious about is essentially the figure at the margin,