Table 2.

Assessment of quality of the studied included in the meta-analysis with the NOS scale.

Reference	Selection				Comparability		Exposure			Total
	1	2	3	4	1 (Age)	2 (Other)	1	2	3
Campisi G. et al. (2004) [35]	*	*	*	*	*	*	*	*	*	9
Farhadi S. et al. (2020) [38]	*	*	*	*	* 1	0	*	*	*	8 1
Maitland NJ. et al. (1987) [18]	*	*	*	*	0	0	*	*	*	7
Mohhamadi M. et al. (2023) [6]	*	*	*	*	*	*	*	*	*	9
Nafarzadeh S. et al. (2017) [31]	*	*	0	*	0 1	0 1	*	*	*	6 1
Pierangeli A. et al. (2016) [36]	*	*	*	*	*	*	*	*	*	9
Pol CA. et al. (2015) [28]	*	*	*	*	*	*	*	*	*	9
Razavi SM. et al. (2009) [32]	*	*	*	*	0	*	*	*	*	8
Radochova V. et al. (2015) [33]	*	*	*	*	*	*	*	*	*	9
Sameera A. et al. (2015) [30]	*	*	*	*	0	0 1	*	*	*	7 1
Szarka K. et al. (2009) [34]	*	*	*	*	*	0	*	*	*	8
Yildirim B. et al. (2012) [15]	*	*	*	*	0	0	*	*	*	7
Zendeli-Bedejeti L. et al. (2019) [37]	*	*	*	*	0 1	0	*	*	*	7 1

*—1 point (1 star); ¹—justification of the evaluation is presented in the paragraph above.