RCTs
|
Randomized adequatelya
|
Allocation concealed
|
Patient blinded
|
Care provider blinded
|
Outcome assessor blinded
|
Acceptable drop-out rateb
|
ITT Analysisc
|
Avoided selective reporting
|
Similar baseline
|
Similar or avoided cofactor
|
Patient compliance
|
Similar timing
|
Qualityd
|
---|
Zhang et al. [7]
|
Yes
|
Yes
|
Yes
|
Unclear
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Unclear
|
Yes
|
Unclear
|
High
|
Lim et al. [35]
|
Yes
|
Yes
|
Yes
|
Unclear
|
No
|
Yes
|
No
|
Yes
|
Yes
|
Unclear
|
Yes
|
Yes
|
High
|
- aOnly if the method of sequence made was explicitly introduced could get a “Yes”
- bDrop-out rate < 20% could get a “Yes,” otherwise “No”
- cITT = intention-to-treat, only if all randomized participants were analyzed in the group, they were allocated to could receive a “Yes”
- d“Yes” items more than 7 means “High”; more than 4 but no more than 7 means “Moderate”; no more than 4 means “Low”