GRADE system classification scheme
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Vendhan Ramanujam M.B.B.S [2]
Overview
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
- ↑ Overby, DW.; Apelgren, KN.; Richardson, W.; Fanelli, R.; Overby, DW.; Apelgren, KN.; Beghoff, KR.; Curcillo, P.; Awad, Z. (2010). "SAGES guidelines for the clinical application of laparoscopic biliary tract surgery". Surg Endosc. 24 (10): 2368–86. doi:10.1007/s00464-010-1268-7. PMID 20706739. Unknown parameter
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