Levels of Evidence.pdf - Evidence Pyramid - Levels of...

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Evidence Pyramid - Levels of EvidenceEvidence Pyramid.Level 1:Systematic Reviews & Meta-analysisof RCTs; Evidence-based Clinical Practice GuidelinesLevel 2:One or more RCTsLevel 3:Controlled Trials (no randomization)Level 4:Case-control or Cohort studyLevel 5:Systematic Review of Descriptive andQualitative studiesLevel 6:Single Descriptive or Qualitative StudyLevel 7:Expert OpinionLevel I EvidenceSystematic Review or Meta-Analysis of Randomized ControlledTrials:See box below for more information about systematic reviewsand meta-analysis.Clinical Practice Guidelines:Systematically developed statements toassist clinicians and patients in making decisions about care; ideally theguidelines consist of a systematic review of the literature, in conjunctionwith consensus of a group of expert decision-makers,includingadministrators, policy makers, clinicians, and consumers who considerthe evidence and make recommendations.
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Term
Spring
Professor
Joy Don Baker
Tags
Epidemiology, Randomized controlled trial, Evidence based medicine, Systematic review, evidence pyramid

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