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Abstract
The meta-analysis study is a type of systematic review with strong scientific rigor; it has a number of characteristics that makes it a very useful tool. However, performing and reading meta-analysis could be a challenge—the meta-analysis overcomes the limitation of small sample sizes or rare outcomes by pooling results from individual studies in order to generate a single and better estimate. It also increases statistical power and allows the evaluation of discrepancies among the results of different studies. In this paper, we will present examples to illustrate how psychiatrists can utilize a meta-analysis in clinical and experimental research.
Acknowledgements
This work was supported by UJAT-DAMC-2012-02 and CONACYT CB2012–177459 grants.
Declaration of interest: The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.