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. 2022 Apr 7;9:850535. doi: 10.3389/fmed.2022.850535

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Copyright © 2022 De Rosa, Marengo, Romagnoli, Fiorentino, Fanelli, Fiaccadori, Brienza, Morabito, Pota, Valente, Grasselli, Messa, Giarratano and Cantaluppi.

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Acute kidney injury. (A) Shows the percentage of underestimation of acute kidney injury (AKI) referred only to patients who needed RRT. (B) Shows the use of AKI definition criteria (AKIN, KDIGO, RIFLE, etc.) to classify AKI in patients with COVID-19. (C) Shows the use of urinalysis or biomarkers for AKI in patients with COVID-19.