|
Author
|
12-item scale critical appraisal score
|
|---|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
Total
|
|---|
|
Kwon 2014 [12]
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
12
|
|
Yue 2013 [14]
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
12
|
|
Ikeuchi 2014 [11]
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
12
|
|
Chia 2013 [16]
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
12
|
|
Seah 2011 [15]
|
Y
|
Y
|
Y
|
N
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
11
|
|
Christensen 2009 [10]
|
Y
|
Y
|
Y
|
Y
|
N
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
Y
|
11
|
- 12-item scale criteria: (1) Method of randomization; (2) Concealed allocation; (3) Patient blinding; (4) Provider blinding; (5) Outcome assessor blinding; (6) Drop-out rate; (7) Patient allocated as plan; (8) Free of selective outcome reporting; (9) Same baseline; (10) Co-interventions avoided or similar; (11) Acceptable compliance; (12) Same time of outcome assessment. Y = Yes, N = No, A trial with a score of seven or more was considered high quality, more than four but no more than seven was considered moderate quality, and no more than four was considered low quality
