Recommendation Grading System: Difference between revisions
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==Classification== | ==Classification== | ||
* Class I - Conditions for which there is evidence and/or general agreement that a given diagnostic evaluation, procedure or treatment is beneficial, useful, and effective. | *Class I - Conditions for which there is evidence and/or general agreement that a given diagnostic evaluation, procedure or treatment is beneficial, useful, and effective. | ||
* Class II - Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a diagnostic evaluation, procedure or treatment. | *Class II - Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a diagnostic evaluation, procedure or treatment. | ||
* Class II A - Weight of evidence/opinion is in favor of usefulness/efficacy. | *Class II A - Weight of evidence/opinion is in favor of usefulness/efficacy. | ||
* Class II B - Usefulness/efficacy is less well established by evidence/opinion. | *Class II B - Usefulness/efficacy is less well established by evidence/opinion. | ||
* Class III - Conditions for which there is evidence and/or general agreement that a diagnostic evaluation/procedure/treatment is not useful/effective and in some cases may be harmful. | *Class III - Conditions for which there is evidence and/or general agreement that a diagnostic evaluation/procedure/treatment is not useful/effective and in some cases may be harmful. | ||
==Level of Evidence== | ==Level of Evidence== | ||
* Level A - Data derived from multiple randomized clinical trials or meta-analyses. | *Level A - Data derived from multiple randomized clinical trials or meta-analyses. | ||
* Level B -Data derived from a single randomized trial, or nonrandomized studies. | *Level B -Data derived from a single randomized trial, or nonrandomized studies. | ||
* Level C - Only consensus opinion of experts, case studies, or standard-of-care. | *Level C - Only consensus opinion of experts, case studies, or standard-of-care. | ||
==References== | ==References== | ||
Latest revision as of 20:15, 4 July 2016
Classification
- Class I - Conditions for which there is evidence and/or general agreement that a given diagnostic evaluation, procedure or treatment is beneficial, useful, and effective.
- Class II - Conditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a diagnostic evaluation, procedure or treatment.
- Class II A - Weight of evidence/opinion is in favor of usefulness/efficacy.
- Class II B - Usefulness/efficacy is less well established by evidence/opinion.
- Class III - Conditions for which there is evidence and/or general agreement that a diagnostic evaluation/procedure/treatment is not useful/effective and in some cases may be harmful.
Level of Evidence
- Level A - Data derived from multiple randomized clinical trials or meta-analyses.
- Level B -Data derived from a single randomized trial, or nonrandomized studies.
- Level C - Only consensus opinion of experts, case studies, or standard-of-care.
References
EB Medicine