Table 2 Methodological quality of randomised controlled trials
Study | Adequate sequence generation | Allocation concealment | Blinding | Incomplete outcome data addressed | Free of selective reporting | Free of other bias |
|---|---|---|---|---|---|---|
Marcellin Study 102 [14] | yes | yes | yes | yes | yes | yes |
Marcellin Study 103 [14] | yes | yes | yes | yes | yes | yes |
Lacombe [16] | no | no | no | yes | yes | unclear |
Hann [17] | unclear | unclear | unclear | yes | unclear | unclear |
Peters [18] | yes | yes | yes | yes | yes | yes |
van Bommel [19] | no | no | no | yes | yes | unclear |