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Toxic Avenger

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Toxic Avenger

Re: Rainmaker88 post# 2941

Thursday, 07/26/2012 12:20:30 PM

Thursday, July 26, 2012 12:20:30 PM

Post# of 8804
No, I pointed out that each GROUP within the study was about 10 people. Meaningless.

Check out this sample size calculator.
http://hedwig.mgh.harvard.edu/sample_size/js/js_associative_quant.html

For a relatively weak association of 80% with .2 standard deviations, you need 200 patients in the study.

10/group with 4 groups? Meaningless.

"The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing."
-- Albert Einstein

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