Table 1.

Study characteristics.

Study and Author	Country	Study Year	Study Design	Study Quality
1 Saccone G et al. [21]	Italy	2017	Retrospective Cohort	Good
2 Bouvier S et al. [22]	France	2016	Prospective Cohort	Excellent
3 Alijotas-Reig J et al. [23]	Spain	2019	Prospective and Retrospective	Good
4 Rezk M et al. [24]	Egypt	2016	Prospective Cohort	Fair
5 Deguchi M et al. [25]	Japan	2017	Retrospective Cohort	Fair
6 Gabbay-Benziv R et al. [26]	Israel	2017	Retrospective Cohort	Good
7 Iordache O et al. [27]	Romania	2022	Retrospective Cohort	Good
8 Jin J et al. [28]	China	2022	Case–Control	Fair