meta-analysis
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Introduction
The process of combining the results of several related studies to obtain more reliable conclusions (using statistics).
Notes
- treatment effect estimates are larger in small randomized trials than in larger trials[2]
- considered highest quality source of evidence (see level of evidence)
- the hierachy of evidence for observational studies is:
- case series < case control study < cohort study < meta-analysis of cohort studies
More general terms
More specific terms
References
- ↑ Medical Knowledge Self Assessment Program (MKSAP) 11, 16. American College of Physicians, Philadelphia 1998, 2012
- ↑ 2.0 2.1 Dechartres A et al. Influence of trial sample size on treatment effect estimates: Meta-epidemiological study. BMJ 2013 Apr 24; 346:f2304 PMID: https://www.ncbi.nlm.nih.gov/pubmed/23616031