Fig. 3

Visual description of EO utilization and evidence grading systems. ACC: American College of Cardiology, AHA: American Heart Association, ASTRO: American Society for Radiation Oncology, AUA: American Urological Association, EO: Expert Opinion, GLIDES: Guidelines Into Decision Support, GRADE: Grading of Recommendations, Assessment, Development, and Evaluations, ICSIS: Institute for Clinical Systems Improvement System grading approach, IDSA-USPHS: The Infectious Diseases Society of America-US Public Health Service, OCEBM: Oxford Centre for Evidence-Based Medicine, SIGN: Scottish Intercollegiate Guidelines Network, USPSTF: United States Preventive Services Task Force