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st: RE: Meta-analysis of diagnostic tests


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Meta-analysis of diagnostic tests
Date   Tue, 21 Mar 2006 20:50:11 -0000

How is anyone expected to respond to 
your "not convinced" comment on -metan-? 

No argument, no evidence => nothing to discuss. 

Nick 
n.j.cox@durham.ac.uk 

Seligman, Hilary
 
> Has anybody used Stata to do a meta-analysis of diagnostic tests?
> Specifically, I would like to generate summary positive and negative
> likelihood ratios with p-values, and an associated test of
> heterogeneity. 
> I am not convinced that the metan command (metan tp fn fp tn, with
> tp=true positive, fn=false negative, etc.), as some have suggested,
> produces correct results.  
> 
> As a (less desirable) alternative, I believe that I can use a logit
> command to generate a summary sensitivity/specificity.  However, I am
> unclear on how that would actually be coded.  
> 
> Any advice on either approach would be MUCH appreciated.
> 

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