Level of Evidence in Relation to Research and Practice.doc...

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LEVEL OF EVIDENCE IN RELATION TO RESERCH AND PRACTICELevel of Evidence in Relation to Research and PracticeNameCourse NumberSep 17, 2017Faculty NameThe level of evidence also called the hierarchy of evidence is used in studies based on the
LEVEL OF EVIDENCE IN RELATION TO RESERCH AND PRACTICEmethodological quality of their design, validity and applicability to care of patients. This decisiondetermines the grade of recommendation. They are;Level i-Evidence originating from a systematic review or a meta-analysis of all relevantrandomized controlled trials or evidence based clinical practice guidelines based on systematicreview of RCTs or three or more RCTs of good quality showing similar results.Level ii-Evidence acquired from at least one well-designed RCT. For example, large multi-siteRCTLevel iii-Evidence obtained from well-designed controlled trials without randomization. For

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