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Re: st: Confidence interval for incidence rate


From   Richard Herrell <rkherrell@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Confidence interval for incidence rate
Date   Mon, 28 Jul 2003 15:02:35 -0700 (PDT)

One way if you have the number of events and the person-time
denominator is to treat the numerator as a Poisson variate, get the
95% CI for the count (using PEPI, e.g.), and then dividing those 2
values by the person-time.


--- Paul O'Brien <paul.obrien@afe2.org.uk> wrote:
> I can find confidence intervals for incidence rate ratio and
> difference but
> not a simple incidence rate.
> 
> Paul 
> 
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