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Summer2762

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Summer2762

Re: IgnoranceIsBliss post# 138362

Wednesday, 03/07/2012 3:52:30 PM

Wednesday, March 07, 2012 3:52:30 PM

Post# of 252257
If you think OBF with Lan DeMets is a necessity/possibility, can there be asymmetrical boundaries for futility and efficacy for this trial? Any hint that the futility boundary was binding? (I am trying to reconcile the missing alpha spent).
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