Studies | Random sequence generation | Allocation concealment | Selective reporting | Other sources of bias | Blinding (participants and personnel) | Blinding (outcome assessment) | Incomplete outcome data | Overall risk of bias |
---|---|---|---|---|---|---|---|---|
Woo et al. 1999 [32] | U | H | H | H | L | U | L | H |
Bellamy et al. 1999 [43] | U | H | H | H | L | U | L | H |
Thambyrajah et al. 2000 [33] | L | H | H | H | L | U | L | H |
Title et al. 2000 [30] | L | H | H | H | L | U | L | H |
Doshi et al. 2001 [44] | L | H | H | H | L | U | L | H |
Pullin et al. 2001 [45] | L | L | H | H | L | U | L | M |
Thambyrajah et al. 2001 [34] | L | H | H | H | L | U | L | H |
Doshi et al. 2002 [46] | L | H | H | H | L | U | L | H |
Doshi et al. 2003 [47] | L | H | H | H | L | U | L | H |
Spoelstra-de Man et al. 2004 [36] | L | L | H | H | L | U | L | M |
Doshi et al. 2004 [48] | L | H | H | H | L | U | L | H |
Lekakis et al. 2004 [29] | L | H | H | H | L | U | L | H |
Woodman et al. 2004 [35] | L | H | H | H | L | U | L | H |
Durga et al. 2005 [49] | L | H | H | H | L | U | L | H |
Moat et al. 2006 [50] | L | H | H | H | L | U | L | H |
Title et al. 2006 [31] | L | H | H | H | L | U | L | H |
Moens et al. 2007 [51] | L | H | H | H | L | U | L | H |
Shirodaria et al. 2007 [52] | L | H | H | H | L | U | L | H |
Woo et al. 2008 [53] | L | H | H | H | L | U | L | H |
Palomba et al. 2010 [54] | L | H | H | H | L | U | L | H |
Hashemi et al. 2016 [55] | L | L | H | H | L | L | L | M |