Evidence-based medicine is the cornerstone for good medical practices. In order to implement these practices, government agencies and medical societies regularly assess available evidence and release recommendations as clinical guidelines for healthcare workers. Although different approaches have been employed in grading the quality of evidence and the strength of recommendations, the available methodologies tend to share similar features. In addition, healthcare professionals must know how much confidence should be placed in each recommendation.

Incorporation of new guidelines in clinical practice has always been a great …