GRADE system classification scheme: Difference between revisions
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Revision as of 16:52, 22 January 2014
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vendhan Ramanujam M.B.B.S [2]
Overview
The Grading of Recommendations Assessment, Development and Evaluation (GRADE ) is a system developed by a widely representative group of international guideline developers for rating quality of evidence and strength of recommendations that is explicit, comprehensive, transparent, and pragmatic. It is increasingly being adopted by organisation's worldwide for systematic reviews and health technology assessments, as well as guidelines.
Levels of Evidence[1]
| Quality of evidence | Definition |
|---|---|
| High quality (Grade A) | Further research is very unlikely to change our confidence in the estimate of effect. |
| Moderate quality (Grade B) | Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate. |
| Low quality (Grade C) | 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 quality (Grade D) | Any estimate of effect is very uncertain. |
References
- ↑ Guyatt, GH.; Oxman, AD.; Vist, GE.; Kunz, R.; Falck-Ytter, Y.; Alonso-Coello, P.; Schünemann, HJ.; Alderson, P.; Alonso-Coello, P. (2008). "GRADE: an emerging consensus on rating quality of evidence and strength of recommendations". BMJ. 336 (7650): 924–6. doi:10.1136/bmj.39489.470347.AD. PMID 18436948. Unknown parameter
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