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--- Zakariya Mohammed <zakariya33@hotmail.com> wrote:

> Thanks Maarten
> 
> Using stci one can CI for the ristricted mean (rmean), but it doesn't
> work for me with the extended mean (emain). I am also unclear about
> how Stata extend the survival curve; is it the simple exponential
> extension e.g exp(- beta*t)?
> 
> Zakariya
> 
> 
> ----------------------------------------
> > Date: Sun, 20 Apr 2008 13:25:45 +0100
> > From: maartenbuis@yahoo.co.uk
> > Subject: Re:  Kaplan Meier [was: st: Date: Sat, 19 Apr 2008
> 23:56:52 +0000]
> > To: statalist@hsphsun2.harvard.edu
> > 
> > --- Zakariya Mohammed  wrote:
> >> Any idea about how Kaplan-Meier survival curve is been extended?
> What
> >> is the extrapolation function that used and how the  parameter of
> the
> >> extrapolation function are estimated? Can Stata provide a
> confidence
> >> interval for the extended mean?
> > 
> > The logic behind the Kaplan-Meier estimate is discussed in this
> paper:
> > http://home.fsw.vu.nl/m.buis/wp/survival.htmln)
> > 
> > You can get confidence intervals with the -sts- command.
> > 
> > Hope this helps,
> > Maarten
> > 
> > -----------------------------------------
> > Maarten L. Buis
> > Department of Social Research Methodology
> > Vrije Universiteit Amsterdam
> > Boelelaan 1081
> > 1081 HV Amsterdam
> > The Netherlands
> > 
> > visiting address:
> > Buitenveldertselaan 3 (Metropolitan), room Z434
> > 
> > +31 20 5986715
> > 
> > http://home.fsw.vu.nl/m.buis/
> > -----------------------------------------
> > 
> > 
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-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------


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