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. 2021 Aug 12;22:683. doi: 10.1186/s12891-021-04537-6

Table 2.

Quality assessment of the included studies

Studies (n = 16) Criteria
1 2 3 5 6 7 10 11 12 15 16 18 20 21 22 25 Total
Baldwin 2017 [26] 1 1 1 1 1 1 1 0 0 0 1 1 1 1 0 0 11
Berkowitz 2004 [13] 1 1 1 0 1 0 0 0 0 0 1 1 1 1 1 0 9
Caputo 2009 [6] 1 1 1 0 1 0 0 0 0 0 1 0 1 0 0 0 6
Fraser 2020 [27] 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 11
Hubbard 2006 [14] 1 1 1 0 1 0 1 0 0 1 1 1 1 1 0 0 10
Hubbard 2007 [28] 1 1 1 0 1 1 1 0 0 1 1 0 1 1 0 0 10
Kobayashi 2014 [15] 1 1 1 0 1 1 0 0 0 0 1 0 1 0 0 0 7
Kobayashi 2020 [29] 1 1 1 2 1 0 1 0 0 0 1 1 1 1 1 0 12
Larsen 1990 [30] 0 1 0 0 1 1 1 0 0 0 1 0 1 0 0 0 6
Lee 2020 [31] 1 1 1 1 1 1 1 0 0 0 1 0 1 1 1 0 11
Li 2017 [16] 1 1 1 1 1 1 0 0 0 1 1 1 1 0 0 0 10
Lintz 2019 [8] 1 1 1 1 1 1 1 0 0 0 1 1 1 1 1 1 13
Magerkurth 2010 [32] 1 1 1 0 1 1 0 0 0 1 1 1 1 0 0 0 9
Van Bergeyk 2002 [33] 1 1 1 0 1 1 0 0 0 1 1 1 1 0 0 0 9
Wikstrom 2010a [34] 1 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 9
Wikstrom 2010b [35] 1 1 1 0 1 1 0 0 0 1 1 0 1 1 0 0 12
Mean score 9.69 (57.0%)