ACG guidelines classification scheme

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Tarek Nafee, M.D. [2]

Overview

The GRADE system of quality of evidence and strength of recommendation gives insight into the confidence of the American College of Gastroenterology in the recommendation and the likelihood that further research would change said recommendation.

Classification of Recommendation

GRADE	Explanation
High	Further research is very unlikely to change our confidence in the estimate of effect.
Moderate	Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low	Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very Low	Any estimate of the effect is very uncertain.