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st: metareg of failure rates or proportions


From   "Khairallah, Carole [khaicar]" <Carole.Khairallah@liverpool.ac.uk>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: metareg of failure rates or proportions
Date   Fri, 21 Jun 2013 11:11:26 +0000

Hi all,

I would like to run a meta-regression on proportions using the metareg command in Stata v12.1

I've seen that odds ratio, hazard ratio, etc. have to be log-transformed (log e or natural log) - which leads to use the betas from a previous regression model as effect sizes in metareg. 

But if the outcome of interest is a proportion, particularly failure rates computed from -strate ? A log-transformation (should write ln-transformation) doesn't make sense there?

Thanks for your help
Carole

Carole Khairallah
Liverpool School of Tropical Medicine
Pembroke Place,
Liverpool L3 5QA

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