Table 2.

Quality assessment was performed via the Cochrane ROB tool 2.0.

No. of study	Domain 1	Domain 2	Domain 3	Domain 4	Domain 5
S1 (Baker et al., 2020)	Low risk	Low risk	Low risk	Low risk	Low risk
S4 (Ishiguro et al., 2025)	Low risk	Low risk	Low risk	Low risk	Low risk

Domain 1: bias arising from the randomization process.

Domain 2: bias due to deviations from intended interventions.

Domain 3: bias due to missing outcome data.

Domain 4: bias in the measurement of the outcome.

Domain 5: bias in the selection of the reported result.