An approach that allows the practitioner to critically assess research data, clinical guidelines, and other information resources in order to correctly identify the clinical problem, apply the most high-quality intervention, and re-evaluate the outcome for future improvement.
--retrieved from : https://www.ahrq.gov/topics/evidence-based-practice.html
“Evidence based medicine is the conscientious, explicit, and judicious use of current best evidence in making decisions about the care of individual patients. The practice of evidence based medicine means integrating individual clinical expertise with the best available external clinical evidence from systematic research.” Sackett et al., 1996
--retrieved from: https://www.cdc.gov/genomics/about/file/print/Evidence-Based_Practice_508.pdf
Levels of evidence by study type
Level I - Evidence from a systematic review or meta-analysis of all relevant randomized controlled trials (RCTs)
Level II - Evidence obtained from well-designed RCTs
Level III - Evidence obtained from well-designed controlled trials without randomization
Level IV - Evidence from well-designed case-control and cohort studies
Level V - Evidence from systematic reviews of descriptive and qualitative studies
Level VI - Evidence from single descriptive or qualitative studies
Level VII - Evidence from the opinion of authorities and/or reports of expert committees
Source: Melnyk BM. Implementing the Evidence-Based Practice (EBP) Competencies in Healthcare : A Practical Guide to Improving Quality, Safety, and Outcomes. ; 2016. (Table 1.1, p. 11)
