Evidence Based Practice Diagram
Levels of Evidence
Hierarchy of Evidence
or three or more RCTs of good quality that have similar results.
Ackley, B. J., Swan, B. A., Ladwig, G., & Tucker, S. (2008). Evidence-based nursing care guidelines: Medical-surgical interventions. (p. 7). St. Louis, MO: Mosby Elsevier.
Evidence Based Practice
Types of Resources
Haynes RB. Of studies, syntheses, synopses, summaries and systems: the “5S" evolution of services for evidence-based health care decisions. ACP J Club. 2006 Nov-Dec;145(3):A8-9.
P = Patient or Problem - Patients age 65 and older with high blood pressure
I = Intervention - Patient education
C = Comparison - No patient education
O = Outcome - Patient participation in exercise
NIH. National Library of Medicine.
Problem, Patient, Action, Alternative, Patient Results, Evidence