NRS 433V WEEK 4 DQ 2 LEVELS OF EVIDENCE AND PRACTICE CHANGES.docx - Describe the\"levels of evidence and provide an example of the type of practice

NRS 433V WEEK 4 DQ 2 LEVELS OF EVIDENCE AND PRACTICE CHANGES.docx

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Describe the "levels of evidence" and provide an example of the type of practice change that could result from each . Level of evidence is “ hierarchy of research methods based on quality of results” (Helbig, 2018). It is assigned to “ studies based on the methodological quality of their design, validity, and applicability to patient care" (North Virginia Community College (NVCC), 2020). Starting from level one which is highest and working down the pyramid, the levels include “meta- analyses/systematic reviews, critically-appraised topics (evidence syntheses), critically-appraised individual articles (article synopses), randomized controlled trials, cohort studies, case-controlled studies, and background information and expert opinions (NVCC, 2020). Systematic reviews/ meta-analysis, critically-appraised topics/articles and critically-appraised individual articles have all gone through an evaluation process thus they are filtered while case-controlled studies, cohort studies, and randomized controlled trials are considered unfiltered information.
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