Module 5: Evidence-Based Medical Practice


Modules	Module 5: Evidence-Based Medical Practice
Evidence-Based Medicine Forward Module Objectives Why Is EBM Important? Levels of Evidence What Is Evidence? Hierarchy of Evidence Systematic Review Systematic Review of Cohort Studies Summary The EBM Process Formulating a Clinical Question Purpose of Clinical Question Types of Clincal Questions The Well-Built Questions: PICO Searching for the Evidence Cochrane PubMed Helpful Tips Critically Appraise, Apply Evidence Resources Credits Return to Patient Safety & Quality Improvement	Levels of Evidence Systematic Review Definition A Systematic Review (SR) is an analysis conducted by a group of investigators who perform an extensive search for all individual randomized controlled trials conducted in a given area. Investigators then try to combine the data from all the multiple trials into one larger analysis. Ideally, this will create more statistical power and provide stronger conclusions. Advantages: Has the potential to provide highly valid and useful evidence. Disadvantages: If the studies that are combined for analysis aren’t similar (this is called the amount of homogeneity), the conclusions from the analysis may not be valid or useful.
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Levels of Evidence Systematic Review