|
Risk of bias
|
Study
|
|---|
|
Maïmoun et al. 2010 [29]
|
Li et al. 2010 [32]
|
Li et al. 2012 [33]
|
Linderbäck et al. 2012 [30]
|
Chen et al. 2013 [31]
|
|---|
|
Selection
|
|
Sequence generation
|
L
|
L
|
U
|
L
|
L
|
|
Baseline characteristics
|
L
|
L
|
L
|
L
|
L
|
|
Allocation concealment
|
U
|
L
|
U
|
U
|
U
|
|
Performance
|
|
Random housing
|
U
|
U
|
U
|
U
|
U
|
|
Blinding
|
U
|
L
|
U
|
L
|
U
|
|
Detection
|
|
Random outcome assessment
|
U
|
U
|
U
|
U
|
U
|
|
Blinding
|
U
|
U
|
L
|
U
|
U
|
|
Attrition
|
|
Incomplete outcome data
|
U
|
U
|
U
|
U
|
U
|
|
Reporting
|
|
Selective outcome reporting
|
L
|
L
|
L
|
L
|
L
|
|
Other sources of bias
|
H
|
H
|
H
|
H
|
H
|
- L low risk of bias, H high risk of bias, U unclear
