Table 3.

Assessment of risk of bias.

Critical appraisal tools for use in JBI Systematic Reviews	Hakan Arslan	Ozgur Genc Sen	Mahta Fazlyab
Was true randomisation used for assignment of participants to treatment groups?	Yes	Yes	Yes
Was allocation to treatment groups concealed?	Yes	Yes	Yes
Were treatment groups similar at the baseline?	Yes	Yes	Yes
Were participants blind to treatment assignment?	Yes	Yes	Yes
Were those delivering treatment blind to treatment assignment?	Yes	Yes	Yes
Were outcomes assessors blind to treatment assignment?	Yes	Unclear	Yes
Were treatment groups treated identically other than the intervention of interest?	Yes	Yes	Yes
Was follow-up complete and, if not, were differences between groups in terms of their follow-up adequately described and analysed?	Yes	Yes	Yes
Were participants analysed in the groups to which they were randomised?	Yes	Yes	Yes
Were outcomes measured in the same way for treatment groups?	Yes	Yes	Yes
Were outcomes measured in a reliable way?	Yes	Yes	Yes
Was appropriate statistical analysis used?	Yes	Yes	Yes
Was the trial design appropriate and any deviations from the standard RCT design (individual randomisation, parallel groups) accounted for in the conduct and analysis of the trial?	Yes	Yes	Yes