Tuesday, April 15, 2008
Negative Occurence Rate Found
Imagine that...
A study in England in 2003 (conducted after the U.K. instituted a permanent ban of homosexuals from donating blood) showed that removing homosexuals permanently would decrease "the risk of HIV-infectious donations entering the blood supply in England by 500 percent" (Soldan et al, 2003). By 500 percent, you say? So, if the original rate was, say 7 (with the appropriate unit to make it correct), removing homosexuals from donating blood would get a new rate of -28? "5 times lower" is a moderately annoying construction for the axiomatic mathematician, but I don't think you can interchange it with "decrease by 500%," can you?
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