Table 2. Summary of risk of bias of the selected studies.
Risk of Bias Summarized (%)
Low Risk High Risk Unclear Risk
Sequence Generation 22,2 22,2 55,6
Allocation Concealment 33,3 0 66,7
Blinding of participants, personnel & outcome assessors 33,3 11,1 55,6
Incomplete outcome data 66,7 11,1 22,2
Selective outcome reporting 33,3 11,1 55,6
Other sources of bias 22,2 11,1 66,7