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4.1.2 For bodies of evidence that include observational research, also systematically assess the following characteristics for each outcome:
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The following characteristics should be assessed if they are relevant to a particular SR. They are applied more often to evidence from observational studies than to evidence from randomized controlled trials.
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The quality assessment should be guided by the types of study designs included in the SR.
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For bodies of evidence that include observational research, assess the following characteristics for each outcome:
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4.1.3 For each outcome specified in the protocol, use consistent language to characterize the level of confidence in the estimates of the effect of an intervention
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The quality of evidence receives a single grade: high, moderate, low, or insufficient.
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Not mentioned.
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The quality of evidence receives a single grade: high, moderate, low, or very low.
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4.2 Conduct a qualitative synthesis
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All SRs should include a narrative synthesis. Provides guidance (see below).
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All SRs should include a narrative synthesis. Provides guidance (see below).
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A narrative synthesis should be used where meta-analysis is not feasible or not sensible. Provides guidance on some elements (see below).
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