Integration of evidence from multiple meta-analyses: a primer on umbrella reviews, treatment networks and multiple treatments meta-analyses

Ioannidis, John P. A.
October 2009
CMAJ: Canadian Medical Association Journal;10/13/2009, Vol. 181 Issue 8, p488
Academic Journal
The article focuses on the benefits and limitations of methods that integrate evidence from multiple meta-analyses. It states that umbrella reviews, that offer several treatment comparisons for same diseases, provides a wider analyses of treatments and treatment networks provides comparison between treatments for a specific condition. Network geometry, another meta-analyses method, presents loops and networks of treatments with medicine like placebos.


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