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What is a meta-analysis? How to use a systematic review
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Oxford University’s Centre for Evidence-Based Intervention guide on how to use evidence from systematic reviews.
Key Concepts addressed:- 2-1 Comparisons are needed to identify treatment effects
- 2-2 Comparison groups should be similar
- 2-5 People should not know which treatment they get
- 2-7 All should be followed up
Details
Using systematic reviews: an example
Let’s say you want to know if taking young people who live in at-risk neighbourhoods to visit prisons can help to prevent those young people from committing crimes later in life. Here is how to find out:
- Find good evidence (if it exists)
- Do a search
- Dig deeper
- Read the forest plot
- Apply the evidence to your question or context