Reference | Randomization | Blinding | Withdraw and dropout | Jadad’s score | Quality |
|---|
Yonemura | 2 | 0 | 0 | 2 | Moderate |
Kobayashi | 2 | 0 | 1 | 3 | High |
Nio | 2 | 0 | 1 | 3 | High |
Qu | 2 | 0 | 1 | 3 | High |
X.Sun | 2 | 0 | 1 | 3 | High |
- Randomization: randomization was described with appropriate method- 2 score, randomization was described without appropriate method- 1 score, no randomization- 0 score
- Blinding: blinding was performed on all doctors and patients- 2 score, blinding was partially performed on doctors and patients- 1 score, no blinding- 0 score
- Withdraw and dropout: the reason of withdraw and dropout was described- 1 score, the reason of withdraw and dropout was not described- 0 score
- Quality: High-quality trials should score ≥ 3. moderate-quality trials should score ≥ 2
