|
Study selection
|
(30)
|
|
A.
|
Description of inclusion and exclusion criteria
|
10
|
|
B.
|
Search strategy
|
10
|
|
C.
|
Emphasis on randomised controlled trials (RCTs)
|
10
|
| | ||
|
Methodological quality assessment
|
(20)
|
|
D.
|
Assessment of the validity RCTs
|
12
|
|
E.
|
Number of reviewers
|
4
|
|
F.
|
Blinding of reviewer(s)
|
2
|
|
G.
|
Agreement of reviewer(s)
|
2
|
| | ||
|
Intervention
|
(15)
|
|
H.
|
Description of intervention(s)
|
8
|
|
I.
|
Description of control intervention(s)
|
7
|
| | ||
|
Data presentation
|
(20)
|
|
J.
|
Outcome presentation
|
14
|
|
K.
|
Statistical pooling
|
3
|
|
L.
|
Discussion power of negative RCTs
|
3
|
| | ||
|
Evaluation
|
(15)
|
|
M.
|
Overall conclusion
|
5
|
|
N.
|
Discussion of heterogeneity of RCTs and outcomes
|
10
|
