topic 4 dq 2 comment 3
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The higher on the pyramid of level of evidence the less amount of studies done and is because of the filtering process to be there. Meta-Analysis and Systematic Reviews being the strongest level of evidence for best practices really go thru a rigorous process. These studies are well designed, provide also clinician’s expertise in making decisions about patient care, in other words provide strong evidence for best practices and better patient out comes.