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| Studies | Sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessors | Incomplete outcome data | Selective outcome reporting | Other sources of bias |
| O'Neil et al. (2018) [4] | Low | Low | High | Unsure | Low | Low | High |
| Romero-Gómez et al. (2023) [9] | Unsure | Unsure | Unsure | Unsure | Low | Low | Low |
| Rubino et al. (2022) [10] | Low | Low | High | Unsure | Low | Low | High |
