| To: | <s-news@lists.biostat.wustl.edu> |
|---|---|
| Subject: | Sample size calculations for trials with several arms |
| From: | "Carlos Alzola" <calzola@cox.net> |
| Date: | Wed, 24 Mar 2004 09:52:15 -0500 |
| Importance: | Normal |
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Dear all, Excuse the somewhat off-topic question. I need to do sample size calculations for a clinical trial with 4-5 arms. I've seen lots of calculations and examples for comparing two groups. Are there any special considerations that I should take into account when there are more than 2 groups? Adjusting p-values, etc.? Thanks in advance for any suggestions. Carlos Alzola
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