Study | Year | Selection | Comparability | Outcome/Exposure | Score |
|---|
Cho [15] | 2018 | ★★★ | ★ | ★★★ | 7 |
Han [16] | 2018 | ★★★★ | | ★★★ | 7 |
Kim [17] | 2015 | ★★★ | ★ | ★★★ | 7 |
Lorente [18] | 2014 | ★★★ | | ★★ | 5 |
Ozdogan [19] | 2015 | ★★★ | ★ | ★★★ | 7 |
Wang [12] | 2018 | ★★★ | ★★ | ★★★ | 8 |
Ding [20] | 2018 | ★★ | ★ | ★★★ | 6 |
Gong [21] | 2017 | ★★★★ | ★ | ★★★ | 8 |
Li [22] | 2019 | ★★★ | | ★★★ | 6 |
Shen [11] | 2016 | ★★★ | ★ | ★★ | 6 |
Wang [23] | 2015 | ★★★★ | ★ | ★★★ | 8 |
