Page 40 - ESHRE2019
P. 40

  Eligibility criteria
• rules to decide which studies are included in the review
• based on:
• some or all of your PICO components
plus
• definition of eligible study designs
 Study designs
• select the most appropriate design for the question • for most Cochrane reviews:
• randomised controlled trials
– prevents systematic differences between groups
• sometimes non randomised studies
• Eg. before and after studies or observational studies
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