The evolution of GRADE (part 1): Is there a theoretical and/or empirical basis for the GRADE framework?

RATIONALE, AIMS, AND OBJECTIVES: The Grades of Recommendation, Assessment, Development, and Evaluation (GRADE) framework has been presented as the best method available for developing clinical recommendations. GRADE has undergone a series of modifications. Here, we present the first part of a three article series examining the evolution of GRADE. Our purpose is to explore if (and if so, how) GRADE provides: (1) a justification (ie, theoretical …