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Table 3 Risk of bias assessment

From: Subjective and objective vestibular changes that occur following paediatric cochlear implantation: systematic review and meta-analysis

Study Focused issue Recruitment Exposure accurately measured Outcome accurately measured Confounding factors Follow up Results Precision of results Believability of results Applicability Fit with evidence Implications Risk of bias
Ajalloueyan Yes Good Yes Yes Steps taken to mitigate, limitations not formally addressed Well documented Well documented Poor Fair Good Unsure Fair B
Jin Yes Poor Yes Yes Few steps taken to mitigate, limitations weakly addressed Poorly described Well documented Fair Fair Good Unsure Unsure C
De Kegel Yes Good Yes Yes Steps taken to mitigate, limitations formally addressed Well documented Well documented Fair Good Good Unsure Fair A
Licameli Yes Good Yes Yes Some steps taken to mitigate, limitations formally addressed Well documented Well documented Fair Good Good Good Fair A
Devroede Yes Fair Yes Yes Steps taken to mitigate, limitations formally addressed Well documented Well documented Fair Fair Good Unsure Fair B
Psillas Yes Fair Yes Yes Few steps taken to mitigate, limitations somewhat addressed Well documented Well documented Fair Fair Good Good Unsure B
Xu Yes Good Yes Yes Some steps taken to mitigate, limitations somewhat addressed Well documented Well documented Fair Good Good Good Fair A
Thierry Yes Good Yes Yes Steps taken to mitigate, limitations somewhat addressed Well documented Well documented Fair Good Good Good Fair A
Bogle Yes Poorly described Yes Poorly described Not mitigated, limitations formally addressed Poorly described Poorly described, small sample size Poor Poorly described Poor Unsure Poor C
Gupta Yes Good Yes Yes Some steps taken to mitigate, limitations not formally addressed Well documented Well documented Fair Fair Good Good Fair B
Hazzaa Yes Good Yes Yes Some steps taken to mitigate, limitations not formally addressed Well documented Well described Good Good Good Good Fair A