Dendreon Corp fka DNDNQ

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My results are empirical, not theoretical. Therefore I cannot say with absolute certainty that they are universal.

As long as the covariates considered are balanced, this is likely true in general and due to the noise filtering effect inherent in the iterative regression steps. There is quite a bit of discussion in various papers about how postieri corrections can increase the power of a study. See, for example, the section "When are adjustments made?" in the below:

http://www.tufts.edu/~gdallal/adjust.htm