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Table. 1.

Table. 1.

Levels of evidence based on which papers were included in the literature analysis

Level Description
I Evidence from well-conducted studies and studies with a low risk of bias
II Evidence from well-conducted studies and studies with a moderate risk of bias
III Evidence from studies with limitations in design and studies with a high risk of bias
IV Evidence from studies with limitations in design and studies with a significant risk of bias
Ann Lab Med 2024;44:195~209 https://doi.org/10.3343/alm.2023.0389

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