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Expert Reaction
These comments have been collated by the Science Media Centre to provide a variety of expert perspectives on this issue. Feel free to use these quotes in your stories. Views expressed are the personal opinions of the experts named. They do not represent the views of the SMC or any other organisation unless specifically stated.
Professor Paul Glasziou is Professor of Evidence-Based Practice at Bond University and the Director of the Institute for Evidence Based Healthcare.
The results of this review are not trustworthy, as it used the weak methods to find, select and combine studies; and their main conclusions are based mostly on non-randomized trials. The reviews methods of analysis give the same weight to the RECOVERY trial – with 4,686 patient randomized – and the Paccoud study – with 89 patients and no randomization.