Sandbox: ESC guidelines
Overview
The Class designation is used to indicate whether a therapy is recommended or not and the certainty surrounding that recommendation.
Classes of Recommendation
Class I : Benefit >>> Risk
Conditions for which there is evidence and/or general agreement that a given procedure or treatment is beneficial, useful, and effective.
Class II:
Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a procedure or treatment.