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Quality assessment of the included studies
| Study | Adequate sequence generation? | Allocation concealment? | Blinding? | Incomplete outcome data addressed? | Free of selective reporting? | Free of other bias? |
|---|---|---|---|---|---|---|
| Lee et al.12 | Unclear | Unclear | Yes | Yes | Yes | Yes |
| Guarda-Nardini et al.13 | Unclear | Unclear | Unclear | Unclear | No | No |
| Sener et al.15 | No | No | No | Unclear | No | No |
| Bolayir et al.14 | No | No | No | Yes | Yes | No |
