Table 2 Summary of risk of bias of included RCTs
Domains | Adequate sequence generation? | Allocation concealment? | Blinding? | Incomplete outcome data addressed? | Free of selective reporting? | Free of other bias? |
|---|---|---|---|---|---|---|
A.Sculean et al. 1999a [56] | Yes | Yes | Yes | Yes | Unclear | Unclear |
A.Sculean et al. 1999b [60] | Unclear | Unclear | Yes | Yes | Unclear | No |
N. Donos et al. 2004 [62] | Yes | Yes | Unclear | Yes | Unclear | No |
A.Crea et al. 2008 [61] | Yes | Yes | Yes | Yes | Unclear | Yes |
V. Iorio-Siciliano et al. 2011 [58] | Yes | Yes | Yes | Yes | Unclear | Yes |
V. Iorio-Siciliano et al. 2014 [59] | Yes | Yes | No | Yes | Unclear | No |