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Risk of bias of systematic reviews based on AMSTAR 2 checklist
| Author (year) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | Review quality |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Shirvani (2017) | Y | PY | Y | PY | Y | Y | Y | Y | Y | N | N | Y | Y | Y | Y | Y | Low |
| Nagendrababu (2018) | Y | PY | Y | PY | Y | Y | Y | PY | PY | N | Y | Y | Y | Y | Y | Y | High |
| De Gues (2019) | Y | Y | Y | PY | Y | Y | Y | Y | Y | N | Y | Y | Y | Y | Y | Y | High |
| Karapinar-Kazandag (2019) | Y | Y | Y | PY | Y | Y | Y | Y | Y | N | 0 | 0 | N | N | 0 | Y | Low |
Y: Yes, PY: Partial yes, N: No, 0: Not indicated in this type of study
