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Overview of the GRADE system for grading the quality of evidence: definitions in grading the quality of evidence |
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| Level of evidence |
Definition |
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| High |
Further research is not likely to change our confidence in the effect estimate |
| 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 effect is uncertain |
Bellomo and Bagshaw Critical Care 2006 10:232 doi:10.1186/cc5045 |
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