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Image Descriptions: Visual Representation of Risk Bias Chart

Visual Representation of Risk of Bias Chart and Description

The table shows the risk of bias in different domains for each study. The risk of bias is indicated by a colored circle with a symbol in it.

    Risk of Bias Domains
    D1 D2 D3 D4 D5 Overall
Study Study 1 + + + + + +
Study 2 - + + + + -
Study 3 ? + + + + -
Study 4 + + x + + x
Study 5 x x + + - x
Study 6 + x - + + x
Study 7 + - - x + x
Study 8 + - + + + -
Study 9 + + x + + x

 

Domains:

  • D1: Bias arising from the randomization process
  • D2: Bias due to deviations from the intended intervention
  • D3: Bias due to missing outcome data
  • D4: Bias in measurement of the outcome
  • D5: Bias in selection of reported result

Judgement:

  • x : high
  • - : some concerns
  • + : low
  • ? : no information

See above for a detailed description of this table

traffic light risk of bias summary table

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