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. 2021 Feb 25;14:623–632. doi: 10.2147/IJGM.S289671

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© 2021 Qian et al.

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Handling and splitting of imbalanced data.

Notes: (A) Imbalanced cohort with more non-AKI patients than AKI patients. (B) Balanced cohort with the same number of AKI and non-AKI patients. (C) Resorting of the sequence randomly. (D) Randomly selected 20% from c as the testing set. (E) Random selection of 20% from c as the training set.