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Activity Number: 285
Type: Contributed
Date/Time: Tuesday, August 8, 2006 : 10:30 AM to 12:20 PM
Sponsor: Biopharmaceutical Section
Abstract - #305430
Title: Extracting Information from an Ongoing Blinded Trial
Author(s): Jitendra Ganju*+
Companies: BiostatWorks
Address: 45 Cleary Court, San Francisco, CA, 94109,
Keywords: missing data ; difference in proportions ; relative risk ; variance re-estimation
Abstract:

Data analysis for a blinded trial usually begins once the database has been unblinded. However, the analysis can actually begin while the data are still blinded. To effectively extract information, the statistician needs to cultivate an "analysis mindset" for blinded trials. Methods will be described to analyze blinded data to check the assumptions on which the sample size calculations were based.

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