Table E1.
Newcastle–Ottawa Scale for the assessment of the risk of bias in individual nonrandomized studies
| Author | Score | Selection | Comparability | Outcome/exposure |
|---|---|---|---|---|
| Bjerre Thygesen et al9 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Urena et al10 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Nazif et al11 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Van Gils et al12 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Raelson et al13 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Dumonteil et al14 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Kaplan et al15 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Chamandi et al16 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Gaede et al17 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Gonska et al18 | 7 | ∗∗∗∗ | ∗ | ∗∗ |
| Marzahn et al19 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Nadeem et al20 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Campelo-Parada et al21 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Mirolo et al22 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Van Gils et al23 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Takahashi et al24 | 8 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Chan et al25 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Ghannam et al26 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Costa et al27 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Dolci et al28 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Tovia-Brodie et al29 | 9 | ∗∗∗∗ | ∗∗ | ∗∗ |
| Junquera et al30 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |
| Meduri et al31 | 9 | ∗∗∗∗ | ∗∗ | ∗∗∗ |