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Healthcare outcomes assessed with observational study designs compared with those assessed in randomised trials

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Alongside research on the impact of different types of health and social care, the Cochrane Database of Systematic Reviews contains research on the impact of different types of research. An April 2014 Cochrane Methodology Review does this by examining the evidence on how the design chosen for a study might influence the answer it gets. Andy Anglemyer from the University of California in San Francisco USA tells us what they found.

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Updated on: April 30, 2014, 14:57

Comments for improvement or correction are welcome.