Table 2.
Newcastle-Ottawa Scale for quality assessment of cohort and case-control studies.
| Authors | Selection | Comparability of Groups | Outcome/ Exposure | Total | Study Design | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||
| Eskenazi B, et al. 2022 [35] | * | * | * | * | ** | * | * | * | 9 | Prospective cohort study |
| Johnson CY, et al. 2021 [36] | * | * | ** | * | * | * | 7 | Case control study | ||
| Radan AP, et al. 2022 [37] | * | * | * | ** | * | * | * | 8 | Case control study | |
| Epelboin S, et al. 2021 [38] | * | * | * | ** | * | * | * | 8 | Retrospective cohort study | |
| Lukic A, et al. 2017 [39] | * | * | * | ** | * | * | 7 | Prospective cohort study | ||
| Gogeneni H, et al. 2015 [40] | * | * | * | * | * | * | * | 7 | Case control study | |
| Son KH, et al. 2015 [41] | * | * | * | * | * | * | 6 | Retrospective cohort study | ||
| Keskin Kurt R, et al. 2013 [42] | * | * | * | * | ** | * | * | * | 9 | Prospective cohort study |
| Esteves Lima RP, et al. 2013 [43] | * | * | * | ** | * | * | * | 8 | Case control study | |
| Chokwiriyachit A, et al.2013 [44] | * | * | * | * | ** | * | * | * | 9 | Case control study |
| Mannan M, et al. 2012 [15] | * | * | * | ** | * | * | * | 8 | Cross-sectional study | |
| Xiong X, et al. 2009 [45] | * | * | * | * | ** | * | * | * | 9 | Case control study |
| Odar E, et al. 2004 [46] | * | * | * | * | * | * | * | 7 | Prospective cohort study | |
| Nowakowska D, et al. 2004 [24] | * | * | * | ** | * | * | * | 8 | Cross-sectional study | |
| Rizk DE, et al. 2001 [28] | * | * | * | * | ** | * | * | * | 9 | Prospective cohort study |
| Piper JM, et al. 1999 [47] | * | * | * | ** | * | * | * | 8 | Prospective cohort study | |
Each * represents one point in the Newcastle-Ottawa Scale.