Study | Selection | Comparability | Outcome | Total score | |||||
---|---|---|---|---|---|---|---|---|---|
Representativeness of the exposed cohort | Selection of the non -exposed cohort | Ascertainment of exposure | Demonstration that outcome | Comparability of cohorts | Assessment of outcome | Was follow-up long enough | Adequacy of follow-up of cohorts | ||
Aygun | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 8 | |
Ito | ★ | ★ | ★ | ★ | ★ | ★ | ★ | 7 | |
Kim | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | 8 | |
Min | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |
Park | ★ | ★ | ★ | ★ | ★ | ★ | ★ | ★ | 8 |
Choi | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |
Heo | ★ | ★ | ★ | ★ | ★ | ★ | ★ | 7 | |
Kang | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |
Heo | ★ | ★ | ★ | ★ | ★★ | ★ | ★ | ★ | 9 |