Tuesday, March 21, 2006

st: RE: Meta-analysis of diagnostic tests

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. >

* * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/


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