Study | Selection | Comparability | Exposure | Randomization | Masking | Accountability of all patients | Quality (score) | |
---|---|---|---|---|---|---|---|---|
Randomized controlled trial | ||||||||
2012 | Kim [26] | ★★ | ★ | ★ | 4 | |||
2016 | Urata [10] | ★★ | ★★ | ★ | 5 | |||
2017 | Yang [11] | ★★ | ★★ | ★ | 5 | |||
Retrospective study | ||||||||
2010 | Kim [19] | ★★★ | ★★ | ★★ | 7 | |||
2010 | Hotta [20] | ★★★★ | ★★ | ★★★ | 9 | |||
2010 | Hong [21] | ★★★ | ★★ | ★★ | 7 | |||
2011 | Wu [22] | ★★★★ | ★★ | ★★★ | 9 | |||
2011 | Shin [12] | ★★★ | ★★ | ★★ | 7 | |||
2011 | Togashi [23] | ★★★★ | ★★ | ★★ | 8 | |||
2011 | Fan [14] | ★★★★ | ★★ | ★★ | 8 | |||
2011 | Jung [24] | ★★★ | ★★ | ★ | 6 | |||
2012 | Wu [25] | ★★★★ | ★★ | ★★ | 8 | |||
2012 | Suzumura [27] | ★★★ | ★★ | ★★★ | 8 | |||
2013 | Yoshida [28] | ★★★★ | ★★ | ★★ | 8 | |||
2013 | Shao [29] | ★★★★ | ★★ | ★★★ | 9 | |||
2013 | Lee [30] | ★★★★ | ★★ | ★★ | 8 | |||
2013 | Yu [31] | ★★★★ | ★★ | ★★ | 8 | |||
2014 | Lim [32] | ★★★★ | ★★ | ★★★ | 9 | |||
2014 | Sato [13] | ★★★★ | ★★ | ★★ | 8 | |||
2014 | Lin [33] | ★★★ | ★★ | ★★ | 7 | |||
2014 | Ren [34] | ★★★★ | ★★ | ★★ | 8 | |||
2014 | Li [35] | ★★★ | ★★ | ★★★ | 8 | |||
2014 | Takeda [36] | ★★★ | ★★ | ★ | 6 | |||
2015 | Otsuka [37] | ★★★★ | ★★ | ★★★ | 9 | |||
2015 | Song [38] | ★★★ | ★★ | ★★ | 7 | |||
2015 | Koo [39] | ★★★★ | ★★ | ★ | 7 | |||
2016 | Ruan [40] | ★★★ | ★★ | ★★★ | 8 | |||
2016 | Hirano [41] | ★★★ | ★★ | ★★★ | 8 | |||
2016 | Suh [42] | ★★★ | ★★ | ★★ | 7 | |||
2016 | Kashima [43] | ★★★ | ★★ | ★★★ | 8 | |||
2017 | Kuan [15] | ★★★★ | ★★ | ★★ | 8 |