Table 2 Newcastle–Ottawa Scale scores for included cohort studies
Study | Selection | Comparability | Outcome | Overall quality score |
|---|---|---|---|---|
Çağlar 2021 | **** | ** | *** | 9 |
Qiu2021 | **** | ** | ** | 8 |
Wang 2021 | **** | ** | ** | 8 |
Tan 2020 | **** | * | ** | 7 |
Lu2020 | ** | ** | ** | 6 |
Gong 2018 | **** | ** | ** | 8 |
Powell 2018 | **** | * | ** | 7 |
Padilla 2017 | **** | * | *** | 8 |
Schliemann 2014 | ** | * | *** | 6 |
Tarallo 2014 | **** | * | *** | 8 |