What is meta-analysis?

This document explains the process and benefits of meta-analysis using the comparative analysis of different treatments as an example.


"Meta-analyses offer a systematic and quantitative approach to synthesising
evidence to answer important therapeutic questions. Nonetheless, pitfalls abound in
the execution of meta-analyses and they are fundamentally limited by the quality
of the underlying studies..." 
(Crombie & Davies 2009 p7) 


  • Trials, systematic reviews and meta-analysis
  • Benefits of meta-analyses
  • Requirements for meta-analysis
  • Presenting the findings
  • Limitations
  • Conclusion


Crombie I K, Davies H T, 2009 What is meta-analysis?, Hayward Medical Communications, Retrieved from https://www.univie.ac.at/nutrigenomics/teaching/vo_datamanagement/WhatisMetaAn.pdf

'What is meta-analysis?' is referenced in: