|
Reference
|
1. Eligibility criteria
|
2. Random allocation
|
3. Concealed allocation
|
4. Baseline comparability
|
5. Blinded subjects
|
6. Blinded therapists
|
7. Blinded assessors
|
8. Adequate follow-up
|
9. Intention-to-treat analysis
|
10. Between-group comparisons
|
11. Point measures and variability
|
Total score (_/10)¶ (criteria 1 not included)
|
|---|
|
Ridner et al. 2013 [49]
|
Yes
|
Yes
|
No
|
Yes
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
6
|
|
Omar et al. 2011 [48]
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
7
|
|
Lau and Cheing 2009 [52]
|
Yes
|
Yes
|
No
|
Yes
|
No
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
4
|
|
Kozanoglu et al. 2009 [50]
|
Yes
|
No
|
Yes
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
Yes
|
Yes
|
5
|
|
Maiya et al. 2008 [51]
|
Yes
|
Yes
|
No
|
No
|
No
|
No
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
5
|
|
Kaviani et al. 2006 [47]
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
No
|
No
|
No
|
Yes
|
No
|
5
|
|
Carati et al. 2003* [46]
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
No
|
Yes
|
Yes
|
Yes
|
Yes
|
8
|
|
Sub-item total score (_/7)
|
7
|
6
|
1
|
6
|
3
|
2
|
1
|
5
|
3
|
7
|
6
| |
- *Two-component crossover study, only the first phase was included for analysis
-
¶‘High quality’ studies (≥5) were represented in bold
