Table 2.
Jadad Scoring for quality assessment of included trials
| Trials | Randomisation mentioned | Concealment of randomisation | Blinding | Appropriate blinding method | Reporting of withdrawals | Jadad score |
|---|---|---|---|---|---|---|
| Bays (2017) | Unclear | Yes | Yes | Unclear | Yes | 3 |
| Cahn (2021) | Unclear | Yes | Yes | Unclear | Yes | 3 |
| Fadini (2017) | Unclear | Yes | No | No | Yes | 3 |
| Faerch (2021) | Unclear | Unclear | No | No | Yes | 1 |
| Hardy (2013) | Unclear | Unclear | Yes | Unclear | No | 1 |
| Jiang (2021) | Unclear | Unclear | Yes | Unclear | Yes | 2 |
| Leiter (2016) | Unclear | Unclear | Yes | Yes | Yes | 3 |
| Nur Aisyah (2020) | Unclear | Unclear | Yes | Unclear | Yes | 2 |
| Papadopoulou (2021) | Unclear | Unclear | Yes | Yes | Yes | 3 |
| Shigiyama (2017) | Yes | Yes | Yes | Yes | Yes | 5 |
| Sugiyama (2018) | Unclear | Unclear | No | No | Yes | 1 |
| Weber (2016) | Yes | Unclear | Yes | Yes | Yes | 3 |