Table 2.

Results of quality assessments.

Author, year	Selection	Comparability	Outcome, or Exposure	Total score
Janir et al. 2020	4	1	3	8
De Micco et al. 2020	4	1	2	7
Del Prete et al. 2021	3	1	3	7
El Ottmani et al. 2021	4	1	2	7
Oppo et al. 2020	4	1	2	7
Salari et al. 2020	3	1	2	6
Van Der Heide et al. 2020	4	1	3	8
Yule et al. 2021	4	1	2	7
Dommershuijsen et al. 2021	4	1	3	8
Baschi et al. 2020	3	1	2	6
Krzyszton et al. 2022	4	1	3	8
Feeney et al. 2021	4	1	2	7
Balci et al. 2021	4	1	3	8
Thomsen et al. 2021	4	1	3	8
Leta et al. 2021	3	1	2	6
Kumar et al. 2020	4	1	2	7
Montanaro et al. 2021	4	1	3	8
Palermo et al. 2020	3	1	3	7
Suzuki et al. 2021	4	1	3	8
Xia et al. 2020	4	1	3	8
Yogev‑Seligmann et al. 2021	4	1	2	7

Newcastle–Ottawa scale (NOS).