Table 2 Quality assessment for randomized controlled studies
Study | year | Study design | Adequate sequence generation | Allocation concealment | Blinding | Incomplete outcome data addressed | Free of selective reporting | Other issues | Quality assessment |
|---|---|---|---|---|---|---|---|---|---|
Shabnam Salemi et al | 2021 | RCT | Yes | Yes | Unclear | Yes | Yes | Yes | B |
Aghahoseini Marieh et al | 2020 | RCT | Yes | Yes | Yes | Yes | Yes | Yes | A |
L Luo et al | 2020 | RCT | Yes | Yes | Unclear | Yes | Yes | Yes | B |
He Xiao et al | 2019 | RCT | Yes | Yes | Unclear | Yes | Yes | Yes | B |