Author and publication year | Random sequence generation | Allocation concealment | Blinding of participants and personnel | Blinding of outcome assessment | Incomplete outcome data | Selective reporting | Other bias |
---|---|---|---|---|---|---|---|
Hatakka et al., 2007 [25] | Low risk | Uncertain | Low risk | Uncertain | Low risk | Low risk | Uncertain |
Ishikawa et al., 2015 [27] | Uncertain | Uncertain | Low risk | Low risk | Low risk | Low risk | Low risk |
Kraft-Bodi et al., 2015 [26] | Low risk | Low risk | Low risk | Low risk | Uncertain | Low risk | Low risk |
Miyazima et al., 2017 [30] | Uncertain | Uncertain | Low risk | Uncertain | Low risk | Low risk | Low risk |
Li et al., 2014 [31] | Low risk | Uncertain | High risk | High risk | Low risk | Low risk | Low risk |
Mishra et al., 2016 [32] | Uncertain | Uncertain | Low risk | Uncertain | Low risk | Low risk | Uncertain |