Table 4.

Risk of bias scoring for included studies

		Dutta et al., (2021)	Gupta et al., (2020)	Sadashiv et al., (2020)	Prabhakaran et al., (2019)
Domain 1	Risk of bias arising from the randomisation process	Some concerns	Some concerns	Some concerns	Some concerns
Domain 2	Domain 2: Risk of bias due to deviations from the intended interventions (effect of assignment to intervention)	Some concerns	Some concerns	Some concerns	Some concerns
Domain 3	Missing outcome data	Low	Low	Low	Low
Domain 4	Risk of bias in measurement of the outcome	Low	Low	Low	Low
Domain 5	Risk of bias in selection of the reported result	Low	Low	Low	Low