Table 2.
Literature quality assessment
| Author (year) | Selection | Comparability | Exposure | Total score | Quality rating |
|---|---|---|---|---|---|
| Lim, 2020 [25] | 3 | 2 | 3 | 8 | High quality |
| AO, 2020 [4] | 3 | 2 | 3 | 8 | High quality |
| Gatam, 2020 [24] | 3 | 2 | 2 | 7 | High quality |
| Kim, 2020 [19] | 3 | 2 | 3 | 8 | High quality |
| Zhao, 2021 [12] | 3 | 2 | 2 | 7 | High quality |
| Kang, 2021 [23] | 3 | 2 | 2 | 7 | High quality |
| Zhang, 2021 [14] | 3 | 2 | 3 | 8 | High quality |
| Chang, 2022 [24] | 3 | 2 | 2 | 7 | High quality |
| Xue, 2022 [21] | 3 | 2 | 3 | 8 | High quality |
| Shi, 2023 [20] | 3 | 2 | 2 | 8 | High quality |
| Ge, 2022 [18] | 3 | 3 | 2 | 8 | High quality |
| Han, 2022 [27] | 3 | 2 | 2 | 7 | High quality |