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Table 3.

Quality assessment by NOS (Newcastle-Ottawa Score) for included studies

Study Selection Comparability Exposure
Is the case definition adequate Representa-tiveness of the cases Selection of control Definition of control Comparability of cases and controls on the basis of the design or analysis Ascertainment of exposure Same method of ascertainment for case and contol Non-response rate
Chen, CH 2021 * * * * * * *
Chen, Z 2021 * * * *
Dong 2020 * * * * *
Garcia∼Carmona 2022 * * * * *
Harpaz 2021 * * * * *
Ma 2021 * * * * * * *
Marta∼Enguita 2021 * * * * *
Mengozzi 2020 * * * * *
Ramos∼Pachon 2021 * * * * *
Schwedheim 2021 * * * * * * *
Silva∼Candal 2021 * * * * *
Yang, X 2021 * * * * *
Zhang, M 2021 * * * * * * *
Zhao, J 2020 * * * * * * *
Korean J Clin Lab Sci 2022;54:256-64 https://doi.org/10.15324/kjcls.2022.54.4.256
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