- Evaluation of included cohort literature using the Newcastle-Ottawa Quality Scale.
| Author | Selection | Comparability | Outcome | Total score | |||||
|---|---|---|---|---|---|---|---|---|---|
| Representativeness of exposed | Representativeness of unexposed | Ascertainment of exposure | Demonstration that the outcome of interest was not present at baseline | Control for important confounding factors | Blinded independent evaluation | Adequate follow-up period | Adequacy of follow-ups | ||
| Zhang et al22 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 8 |
| Batsis et al25 | 1 | 1 | 1 | 1 | 2 | 0 | 1 | 1 | 8 |