Date: Tue, 6 Jun 2006 15:12:23 -0400
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From: "email@example.com" <jakeboot@GMAIL.COM>
Subject: Re: Clinical Trial Ns for Multiple Arms
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Yes, this is ITT, and the question is general in that is there one reason to
do one over the other. That is, what are the differences and ramifications.
On 6/6/06, Kevin Roland Viel <firstname.lastname@example.org> wrote:
> On Tue, 6 Jun 2006, email@example.com wrote:
> > I have a general question about multiple arm studies, specifically when
> > patient switches doses --how to count the Ns. It seems that if a
> > switches doses, that the subject should be counted in each treatment
> > Is there a standard for this such that the subject is counted in each
> > the subject is on vs. the Ns are the same for each dose (thus reflecting
> > overall Number of Subjects (regardless of dose)?
> > Any information on this is appreciated.
> Have you considered an "intention to treat" analysis? Under this
> scenario, the treatment arm into which you randomly assigned the subject
> is the analyses group regardless of treatment.
> Kevin Viel
> Department of Epidemiology
> Rollins School of Public Health
> Emory University
> Atlanta, GA 30322
Change the way you look at things, and the things you look at will change.