Randomized studies (RoB tool assessment criteria) | Holmes et al., 2007 [7] | Rowe et al., 2010 [8] | Rowe et al., 2009 [9] |
---|---|---|---|
Random sequence generation | - | -b | -c |
Allocation concealment | - | - | - |
Blinding of participants / personnel | - | - | - |
Blinding of outcome assessment | - | - | - |
Incomplete outcome data | - | - | + |
Selective reporting | + | + | + |
Other bias | ?a | ||
Comments | a staff showed “resistance” to the intervention and altering methods of care | b 8 participants were exempted from randomization according to preference or previous study participation | c 8 participants were exempted from randomization according to preference or previous study participation |