|
Author year
|
1. Focused issue
|
2. Appropriate method
|
3. Recruitment
|
4. Selection of controls
|
5. Exposure measured
|
6. Outcome measured
|
7. Identified confounding factors?
|
8. Confounding factors in design/analysis
|
9. Follow up complete
|
10. Follow up long
|
11. Believe results
|
12. Results be applied
|
13. Results fit evidence
|
|---|
|
Carlsson 2014 [43]
|
u
|
y
|
y
|
y
|
y
|
y
|
u
|
y
|
y
|
y
|
y
|
y
|
y
|
|
Collier 2011 [44]
|
y
|
y
|
y
|
y
|
y
|
y
|
u
|
y
|
u
|
n
|
n
|
y
|
u
|
|
Gelber 2013 [45]
|
y
|
n
|
u
|
u
|
y
|
y
|
u
|
y
|
n
|
y
|
n
|
n
|
na
|
|
Testa 2014 [46]
|
y
|
y
|
y
|
y
|
y
|
y
|
u
|
y
|
y
|
y
|
u
|
y
|
u
|
-
y yes, n no, u unclear, na not applicable
