Critical care nurses have a responsibility to use evidence-based practices in their patient care. This tool is based on the Cochrane RoB tool and has been adjusted for aspects of bias that play a specific role in animal intervention studies. Site Is Undergoing Maintenance Evidence-Based Practice Levels of Evidence. . A total of 16 articles concerning the effectiveness of a total of 509 patients undergoing viscosupplementation for hip OA were included -- 12 European studies 3 Turkish studies and 1 American study with levels of evidence ranging from I to IV evaluated the following products. The CEBM Levels of Evidence framework sets out one approach to systematizing this grading process for different question types. The systematic review or meta-analysis of randomized controlled trials RCTs and evidence-based practice guidelines. All we can do is our best. The Centre for Evidence-Based Medicine. Grades of evidence describe t