Author, year | Representativeness of the exposed cohort | Selection of the nonexposed cohort | Ascertainment of exposure | Demonstration that outcome of interest was not present at start of the study | Comparability of cohorts on the basis of the design or analysis | Assessment of the outcome | Follow-up long enough for outcomes* | Adequacy of follow-up of cohort** | Total | Quality | |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | Sarvilinna et al. [19] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
2 | Sarvilinna et al. [20] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 08 | Good |
3 | Sarvilinna et al. [21] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 08 | Good |
4 | Berend et al. [22] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
5 | Cook et al. [23] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
6 | Meek et al. [24] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 08 | Good |
7 | Zhang et al. [25] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 07 | Good |
8 | Savin et al. [26] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 07 | Good |
9 | Singh et al. [27] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
10 | Singh et al. [28] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
11 | Katz et al. [29] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
12 | Thien et al. [30] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 08 | Good |
13 | Ricioli Jr et al. [31] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 09 | Good |
14 | Gromov et al. [32] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 1 | 08 | Good |
15 | Lindberg-Larsen et al. [33] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 07 | Good |
16 | Tamaki et al. [34] | 1 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 07 | Good |