Introduction to Evidence-Based Medicine

William J. Powers, M.D.-- Departments of Neurology, Neurosurgery and Radiology
Washington University School of Medicine -- Presented July 11, 2006


Meta-analysis

                 • Identification of Trials

                 • Definition of Outcomes

                 • 2x2 outcome tables summed over all trials

                 • Calculation of treatment effects

                 • Statistical significance

The results of the meta-analysis will depend on the trials selected and the outcomes chosen

 
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