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Methodological Quality of Observational Studies Using Newcastle-Ottawa Scale
| Author, y | Representativeness of the Study Population |
Ascertainment of Exposure | Comparability | Assessment of Outcome | Adequacy of Follow-Up | Conflict of Interest | Overall ROB |
|---|---|---|---|---|---|---|---|
| Hu et al., 2020 | High ROB | High ROB | High ROB | Low ROB | Low ROB | Low ROB | High ROB |
Abbreviation: ROB, risk of bias.
