Table 2 Assessment of the quality of evidence of the eligible studies

Aghazarian et al., 2024 [26]

1

2

1

2

1

7/10

Al-Daghistani & Abdel-Dayem, 2010 [27]

1

1

2

2

1

7/10

AL-SWEIH, et al., 2012 [28]

1

2

2

2

2

9/10

Andrade-Rocha, 2003 [29]

1

1

1

1

1

5/10

Bai et al., 2021 [30]

1

2

1

1

2

7/10

Gdoura et al., 2007 [31]

1

1

2

1

1

6/10

Golshani et al., 2007 [32]

1

2

2

1

2

8/10

Huang et al., 2015 [33]

1

2

1

1

2

7/10

Karthikeyan et al., 2021 [34]

1

0

2

2

2

7/10

Le et al., 2020 [35]

1

2

2

1

2

7/10

Liu et al., 2014 [36]

1

2

1

2

1

7/10

Liu et al., 2022a [17]

2

1

1

2

2

8/10

Liu et al., 2022b [18]

1

2

1

2

1

7/10

Moretti et al., 2009 [37]

1

2

2

2

2

9/10

Paira et al., 2023 [11]

1

2

2

2

2

9/10

Peerayeh et al., 2008 [38]

1

2

2

1

1

7/10

Pendas et al., 2013 [39]

1

1

1

2

1

6/10

Qing et al., 2017 [40]

1

2

2

1

2

8/10

Xianchun et al., 2023 [12]

1

2

2

2

2

9/10

Zeighami et al., 2007 [41]

1

2

2

1

1

7/10

Zeighami et al., 2009 [42]

1

2

2

1

1

7/10

Zhang et al., 2020 [43]

1

2

1

1

2

7/10

Zinzendorf et al., 2008 [44]

1

2

1

1

2

7/10