Author | Selection | Representativeness of the cases | Selection of Controls | Definition of Controls | Comparability | Outcome | Same method of ascertainment | Non-Response rate | Total |
---|---|---|---|---|---|---|---|---|---|
Adequate of case definition | Comparability of cases and controls | Ascertainment of exposure | |||||||
Ma ZP 2018 | * | * | * | * | * | * | * | * | 8 |
Li YR 2018 | * | * | * | * | * | * | * | * | 8 |
Zhang LY 2021 | * | * | * | * | * | * | * | – | 7 |
Wang ZW 2018 | * | * | * | * | * | * | * | – | 7 |
Liu DT 2020 | * | * | * | * | * | * | * | – | 7 |
Wei SS 2021 | * | * | * | * | * | * | * | * | 8 |
Xing XJ 2022 | * | * | * | * | – | * | * | * | 7 |
Zhao L 2016 | * | * | * | * | * | * | * | – | 7 |
Li XY 2021 | * | * | * | * | * | * | * | * | 8 |
Ying XY 2019 | * | * | * | * | * | * | * | – | 7 |
Kang SY 2023 | * | * | * | * | * | * | * | – | 7 |