ID | Articles | Representativeness of exposed cohort | Selection of non-exposed cohort | Ascertainment of exposure | Demonstration outcome was not present at start of study | Study controls for important factor | Study controls for additional factors | Assessment of outcome | follow-up duration | Adequacy of follow-up | Overall Quality Score |
---|---|---|---|---|---|---|---|---|---|---|---|
 |  | Selection | Comparability | Outcome |  | ||||||
1 | Adams et al. | * | * | * | * | * | – | * | * | – | 7 |
2 | Astrom et al. | * | * | * | * | * | – | * | * | – | 7 |
3 | Bernstein et al. | * | * | * | * | * | * | * | * | – | 8 |
4 | Biskupiak et al. | * | * | * | * | * | – | * | * | – | 7 |
5 | Bradford et al. | * | * | – | * | – | * | * | – | – | 5 |
6 | Cheung et al. | – | * | * | * | – | – | * | * | – | 5 |
7 | Coplan et al. | * | * | * | * | – | – | * | – | – | 5 |
8 | Dhawale et al. | – | * | * | * | – | – | * | * | * | 6 |
9 | Elmelund et al. | * | * | * | * | * | * | * | * | * | 9 |
10 | Fattah et al. | * | * | * | * | – | – | * | * | * | 7 |
11 | Fatti et al. | – | * | * | * | * | * | * | * | * | 8 |
12 | Flack et al. | – | * | * | * | * | – | * | * | – | 6 |
13 | Fong et al. | * | * | * | * | * | * | * | * | * | 9 |
14 | Gao et al. | * | * | * | * | * | – | * | * | * | 8 |
15 | Ghate et al. | * | * | * | * | * | * | * | – | – | 7 |
16 | Gofman et al. | * | * | * | * | * | * | * | * | * | 9 |
17 | Guelinckx et al. | – | * | * | – | – | – | * | * | – | 4 |
18 | Haas et al. | * | * | * | * | – | * | * | * | – | 7 |
19 | Heintzelman et al. | * | * | * | * | * | * | – | * | * | 8 |
20 | Henes et al. | – | * | – | * | – | – | – | * | – | 3 |
21 | Jehi et al. | * | * | – | * | * | * | – | – | – | 5 |
22 | Kharbanda et al. | * | * | * | * | * | * | * | * | – | 8 |
23 | Lasko et al. | * | * | * | * | * | – | * | * | – | 7 |
24 | Maahs et al. | * | * | * | * | * | * | * | * | – | 8 |
25 | Mahmud et al. | * | * | * | * | * | * | – | * | – | 7 |
26 | Mancevski et al. | * | * | * | * | * | * | * | * | * | 9 |
27 | McCoy et al. | * | * | * | * | * | * | * | * | * | 9 |
28 | Nannetti et al. | * | * | * | * | – | – | * | * | – | 6 |
29 | Pan et al. | * | * | * | * | * | * | * | * | * | 9 |
30 | Patterson et al. | * | * | * | * | * | * | * | * | * | 9 |
31 | Pirraglia et al. | * | * | * | * | * | * | * | * | – | 8 |
32 | Roth et al. | * | * | * | – | * | * | * | * | * | 8 |
33 | Ruiz et al. | * | * | * | * | * | * | * | * | – | 8 |
34 | Sarafoglou et al. | * | * | * | * | * | * | * | * | * | 9 |
35 | Schwartz et al. | * | * | * | * | * | * | * | * | – | 8 |
36 | Snijder et al. | * | * | – | * | * | * | * | * | – | 7 |
37 | Sy et al. | * | * | * | * | – | – | * | * | – | 6 |
38 | Tamayo et al. | * | * | * | * | * | * | * | * | – | 8 |
39 | Tanabe et al. | * | * | * | * | * | – | – | * | – | 6 |
40 | Ting et al. | – | * | * | – | * | * | * | * | * | 7 |
41 | Ullrich et al. | – | * | * | * | * | * | – | * | – | 6 |
42 | Walker et al. | * | * | * | – | * | * | – | * | – | 6 |
43 | Wong et al. | * | * | * | * | * | * | * | * | – | 8 |
44 | Zechmann et al. | * | * | * | * | – | – | * | * | – | 6 |