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Cochrane Handbook for Systematic Reviews of Interventions
The Cochrane Handbook for Systematic Reviews of Interventions is the official document that describes in detail the process of preparing and maintaining Cochrane systematic reviews on the effects ofExpand
Measuring inconsistency in meta-analyses
TLDR
A new quantity is developed, I 2, which the authors believe gives a better measure of the consistency between trials in a meta-analysis, which is susceptible to the number of trials included in the meta- analysis. Expand
Quantifying heterogeneity in a meta-analysis.
TLDR
It is concluded that H and I2, which can usually be calculated for published meta-analyses, are particularly useful summaries of the impact of heterogeneity, and one or both should be presented in publishedMeta-an analyses in preference to the test for heterogeneity. Expand
The Cochrane Collaboration’s tool for assessing risk of bias in randomised trials
TLDR
The Cochrane Collaboration’s tool for assessing risk of bias aims to make the process clearer and more accurate. Expand
ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions
TLDR
Risk of Bias In Non-randomised Studies - of Interventions is developed, a new tool for evaluating risk of bias in estimates of the comparative effectiveness of interventions from studies that did not use randomisation to allocate units or clusters of individuals to comparison groups. Expand
Chapter 8: Assessing risk of bias in included studies
TLDR
The Cochrane Handbook for Systematic Reviews of Interventions (ISBN 978-0470057964) is published by John Wiley & Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex PO19 8SQ, England. Expand
A basic introduction to fixed-effect and random-effects models for meta-analysis.
TLDR
This paper explains the key assumptions of each model, and outlines the differences between the models, to conclude with a discussion of factors to consider when choosing between the two models. Expand
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