meta-analysis
27Glossary of terms relevant for Cochrane Reviews http://community-archive.cochrane.org/glossary/5#letterm
Reference details:
Statistical combination of results from multiple studies to obtain a single estimate of effect of a particular intervention or variable.
Note 1: The meta-analysis appropriately weights each included study according to its precision and, when RCTs are included, it maintains the randomisation of the individual included studies.