The evolution of GRADE (part 2): Still searching for a theoretical and/or empirical basis for the GRADE framework

RATIONALE, AIMS, AND OBJECTIVES: The GRADE framework has been widely adopted as the preferred method for developing clinical practice recommendations. In the first article of our three part series examining the evolution of GRADE, we showed an absence (in the first two versions of GRADE) of a theoretical basis and/or empirical data to support why the presented criteria for determining the quality of evidence regarding the effect estimate and …