1naresh
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            [access-type] => Controlled
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                            [type] => privilege-set
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1naresh
Array
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            [access-type] => Controlled
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1naresh
Array
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            [access-type] => Controlled
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                    [urn:ac.highwire.org:guest:privilege] => Array
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                            [type] => privilege-set
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Table 2:

Classification of recommendationsa

Class IConditions for which there is evidence for and/or general agreement that a procedure or treatment is beneficial, useful, and effective
Class IIConditions for which there is conflicting evidence and/or a divergence of opinion about the usefulness/efficacy of a procedure or treatment
    Class IIaWeight of evidence/opinion is in favor of usefulness/efficacy
    Class IIbUsefulness/efficacy is less well-established
Class IIIConditions for which there is evidence and/or general agreement that a procedure/treatment is not useful/effective and in some cases may be harmful
  • a From the American Heart Association Evidence-Based Scoring System.