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Umbrella Reviews

An umbrella review:

  • Compares, contrasts and summarises related reviews to provide policymakers or practitioners with overall evidence available for a particular topic
  • Addresses broad topics or issues and offers a wider picture of evidence on what is known and what remains unknown
  • Provides a wide evidence ‘picture’ highlighting consistent or contradictory issues and the reasons why reviews arrived at similar or different results
  • Produce ‘fast’ evidence in reduced time frames
  • Helps in identifying evidence gaps in reviews
  • Provides a platform to standardise and compare causes, interventions, comparisons or outcome across related reviews

Example of a question: Health systems strategies to improve immunisation coverage at Primary Health Care level: an umbrella review

Product: A narrative synthesis of evidence from systematic reviews