Author (Year)
|
Appropriate Randomisation Technique
|
Allocation concealment
|
Dropout rate < 20%
|
Potential confounders properly accounted for
|
Were eligibility clear
|
---|
Cash at al [22]
2016
USA
|
N/A
|
N/A
|
No
|
No
|
Yes
|
Pickut et al. [23, 24]
2013
Belgium
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|