Author | Year | Randomization | Allocation concealment | Blinding | Withdrawal | Total Jadad score |
---|
Hu et al. [13] | 2012 | 1 | 1 | 1 | 1 | 4 |
Kim et al. [14] | 2012 | 2 | 2 | 0 | 1 | 5 |
Abdikarim et al. [15] | 2015 | 1 | 1 | 0 | 1 | 3 |
Liu et al. [16] | 2016 | 2 | 1 | 0 | 1 | 4 |
Fang et al. [17] | 2016 | 1 | 1 | 0 | 1 | 3 |
Xia et al. [18] | 2016 | 2 | 2 | 0 | 1 | 5 |