| 评价指标 | Muro K 2021 | Shitara K 2018 | Bang Y 2018 | Kang Y 2017 | Takahashi M 2021 |
| 随机序列的产生 | 1 | 2 | 1 | 2 | 2 |
| 随机化隐藏 | 2 | 2 | 2 | 2 | 2 |
| 盲法 | 2 | 2 | 2 | 2 | 2 |
| 退出与失访 | 0 | 1 | 1 | 1 | 0 |
| 得分 | 5 | 7 | 6 | 7 | 6 |