Study | Selection | Comparability | Outcome | Score | |||||
---|---|---|---|---|---|---|---|---|---|
Representativeness of the exposed cohort | Selection of the nonexposed cohort | Ascertainment of exposure | Demonstration that outcome of interest was not present at start of study | Comparability of cohorts on the basis of the design or analysis | Assessment of outcome | Was follow-up long enough for outcomes to occur | Adequacy of follow-up of cohorts | ||
Franko | ● | ● | ● | ● | ● | ● | ● | ● | 8 |
Cashin | ● | ● | ● | ● | ● | ● | ● | 7 | |
Razenberg | ● | ● | ● | ● | ● | ● | ● | 7 | |
Huang | ● | ● | ● | ● | ● | ● | ● | ● | 8 |
Gervais | ● | ● | ● | ● | ● | ● | ● | 7 | |
Elias | ● | ● | ● | ● | ● | ● | ● | ● | 8 |
Baratti | ● | ● | ● | 1 | ● | ● | ● | ● | 8 |