Table 2.
Methodological Quality of the included articles.
| Author/Year | Selection 1 2 3 4 |
Comparability 5 6 |
Result 7 8 9 |
Total |
|---|---|---|---|---|
| 1. Szuster (2021) [12] | * - * * | ** | *** | 8 |
| 2. Costantini (2021) [15] | - - - * | ** | *** | 6 |
| 3. Kovalak (2021) [16] | * - - * | ** | *** | 7 |
| 4. Karagöz (2020) [17] | * - - * | ** | *** | 7 |
| 5. Neto (2021) [11] | - - * * | - * | *** | 6 |
| 6. Bhambhvani (2021) [13] | - * * * | - * | *** | 7 |
| 7. Carvalho (2021) [18] | - - * * | ** | *** | 7 |
| 8. Sotiropoulou (2021) [19] | - - * * | ** | *** | 7 |
| 9. Omar (2021) [20] | * - * * | ** | *** | 8 |
| 10. De Rose (2021) [21] | - - - * | ** | *** | 6 |
| 11. Culha (2021) [22] | * - - * | ** | *** | 7 |
| 12. Fuchs (2020) [14] | * * * * | ** | *** | 9 |
| 13. Schiavi (2020) [10] | * * - * | ** | *** | 8 |
| 14. Yuksel (2020) [9] | * * - * | ** | *** | 8 |
Notes: The 9 criteria were 1. Representative exposure sample, 2. selection of non-exposed, 3. exposure finding, 4. outcome did not precede the study, 5. adaptation for educational level, 6. adaptation for additional confounding factor, 7. outcome evaluation, 8. adequate monitoring time, 9. non-bias of wear. The symbol (*) means that the study met the specific criterion and the symbol (-) means that the study did not meet it. Selection has 4 criteria 1. 2. 3. 4. Comparability has 2 criteria 5. 6. Results has 3 criteria 7. 8. 9.