Case-control – Newcastle-Ottawa Scale.
| Author | Salonia et al. (2021) (61) | |
|---|---|---|
| Selection | ||
| 1 | 1 | |
| 2 | 0 | |
| 3 | 1 | |
| 4 | 1 | |
| Comparability | ||
| 1 | 1 | |
| Exposure | ||
| 1 | 1 | |
| 2 | 1 | |
| 3 | 1 | |
| Total | 7 | |
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