This two part tool used pre-specified questions to assess themethodological quality of the study. A judgement of ’yes’ indicates low risk of bias, ’no’ high risk of bias and ’unclear’ if a judgement could not be made.
This two part tool used pre-specified questions to assess themethodological quality of the study. A judgement of ’yes’ indicates low risk of bias, ’no’ high risk of bias and ’unclear’ if a judgement could not be made.