Difference between revisions of "Recommendation Grading System"

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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.
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*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.
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*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.
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*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.
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*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.
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*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.
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*Level A - Data derived from multiple randomized clinical trials or meta-analyses.
  
* Level B -Data derived from a single randomized trial, or nonrandomized studies.
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*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.
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*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