Table 5.

Risk of bias assessment of the included studies

Sl. No	Authors and year	Domain 1 (randomization process)	Domain 2 (assignment to intervention)	Domain 2 (adhering to intervention)	Domain 3 (missing outcome data)	Domain 4 (measurement of the outcome)	Domain 5 (selection of the reported result)	Overall risk of bias
1	Gowri et al., 2022	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
2	Kaur et al., 2021	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
3	Danasegaran et al., 2021	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
4	Viswanathan et al., 2021	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
5	Sharma et al., 2020	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
6	Kumpatla et al., 2015	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
7	Leischik 2021	Low risk	Low risk	Some concerns	Low risk	Low risk	Low risk	Some concerns
8	Rafii et al., 2018	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
9	Akbarina et al., 2018	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
10	Karstoft et al., 2013	Low risk	Some concerns	Low risk	Low risk	Low risk	Low risk	Some concerns
11	Yuniartikaet et al., 2021	Low risk	Low risk	Low risk	Some concerns	Low risk	Low risk	Some concerns
12	Gupta et al., 2020	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
13	Saberipour et al., 2020	Low risk	Some concerns	Low risk	Low risk	Low risk	Low risk	Some concerns
14	Singh et al., 2020	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
15	Keerthi et al., 2017	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk	Low risk
16	McDermott et al., 2014	Low risk	High risk	Low risk	Some concerns	High risk	High risk	High risk