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. 2013 Jul 3;2013(7):CD009971. doi: 10.1002/14651858.CD009971.pub2
Domain Risk of bias
 
Support for judgement
 
Location in text
(pg & ¶/fig/table)
Low risk High risk Unclear
Random sequence generation
(selection bias)
                 
Allocation concealment
(selection bias)
 
                 
Blinding of participants and personnel
(performance bias)
      Outcome group: mortality     
     
     
        Outcome group: non‐fatal cardiac events/AF
 
     
     
        Outcome group: stroke/TIA
 
     
 
        Outcome group: renal failure
 
     
 
        Outcome group: participant‐reported outcomes incl time to return to work
 
 
 
Blinding of outcome assessment
(detection bias)
      Outcome group: mortality     
     
     
(if required)       Outcome group: non‐fatal cardiac events/AF
 
     
     
        Outcome group: stroke/TIA
 
     
 
        Outcome group: renal failure
 
     
 
        Outcome group: participant‐reported outcomes
 
 
 
Incomplete outcome data
(attrition bias)
 
      Outcome group: mortality     
     
     
        Outcome group: non‐fatal cardiac events/AF
 
     
 
        Outcome group: stroke/TIA
 
     
 
        Outcome group: renal failure
 
     
 
        Outcome group: participant‐reported outcomes
 
 
Selective outcome reporting?
(reporting bias)
                 
Other bias
 
 
                 
Notes: