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How useful are Cochrane reviews in identifying research needs?
Lorcan Clarke1, Mike Clarke, Thomas Clarke
1UK Cochrane Centre, NHS R&D Programme, Oxford, UK.
Journal of Health Services Research & Policy
|April 5, 2007
Summary
Most Cochrane reviews highlight the need for additional health research. They frequently suggest specific interventions, participants, and outcomes for future studies, guiding further scientific inquiry.
Area of Science:
- Evidence-based medicine
- Systematic reviews
- Health services research
Background:
- Cochrane reviews are a cornerstone of evidence-based medicine.
- Identifying gaps in current research is crucial for advancing healthcare.
- Understanding the extent of research recommendations within reviews is important.
Purpose of the Study:
- To quantify how often Cochrane reviews recommend further research.
- To assess the specificity of suggestions for future research within these reviews.
Main Methods:
- Analysis of 2535 Cochrane reviews from Issue 4, 2005.
- Categorization of reviews based on suggestions for future interventions, participants, and outcomes.
- Identification of reviews stating no further research is needed or feasible.
Main Results:
- Only 3.2% of reviews concluded no further research was needed.
- 82.0% suggested specific interventions, 30.2% suggested participants, and 51.9% suggested outcome measures for future research.
- 16.9% of reviews provided suggestions across all three domains (interventions, participants, outcomes).
Conclusions:
- Cochrane reviews predominantly identify areas of uncertainty in healthcare.
- These reviews serve as a valuable resource for directing future health research efforts.
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