Table 2 Quality assessment of included cohort studies using the Newcastle–Ottawa scale in systematic review and meta-analysis
Reference | Selection | Comparability | Outcome | Score | |||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Representativeness of the exposed cohort | Selection of the non-exposed 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 | Total |
Badaoui, 2022 [30] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 |
Erdem, 2022 [29] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 |
Fielding, 2007 [35] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 |
Langendijk, 2000 [31] | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 7 |
Movsas, 2009 [32] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 0 | 8 |
Möller A, 2012 [39] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 |
Nieto-Guerrero Gómez, 2020 [36] | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 6 |
Pinheiro, 2018 [37] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 1 | 7 |
Pompili, 2022 [33] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 |
Reck, 2012 [34] | 1 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 6 |
Trejo, 2020 [38] | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 9 |