No.
|
First author, year
|
Selection
|
Comparability
|
Outcome
|
Total
|
---|
1
|
2
|
3
|
4
|
1
|
2
|
3
|
---|
1.
|
Tiedt, Germany [53]
|
*
|
*
|
*
|
*
| |
*
|
*
|
*
|
7
|
- Maximum points for selection number 4, comparability, and outcome number 1 were 2
- Selection: (1) representativeness of the sample, (2) sample size, (3) non-respondents, (4) risk factor measurement tool
- Outcome: (1) assessment of the outcome, (2) statistical test