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# Chapter 1: Levels of Evidence The image shows a pyramid with five levels, representing different levels of evidence in research. - **Level 1:** Systematic Reviews - **Level 2:** Randomised Control Trials - **Level 3:** Cohort Studies - **Level 4:** Case Control Studies - **Level 5:** Case Serie...

# Chapter 1: Levels of Evidence The image shows a pyramid with five levels, representing different levels of evidence in research. - **Level 1:** Systematic Reviews - **Level 2:** Randomised Control Trials - **Level 3:** Cohort Studies - **Level 4:** Case Control Studies - **Level 5:** Case Series & Case Reports - **Level 6:** Editorials & Expert Opinion The pyramid is arranged based on the strength of each level of evidence, with systematic reviews at the top as the strongest and editorials at the bottom. These levels of evidence can be used to assess the strength of the findings of a research study.