Fig. 1
From: SOD1 is a novel prognostic biomarker of acute kidney injury following cardiothoracic surgery
Study design and patient enrollment: A total of 322 patients were enrolled in the study. Patients that did not develop AKI (n = 62), had already progressed to KDIGO stage 2 AKI (n = 25) at the time of sample collection, or had insufficient sample collection (n = 21) were excluded. The remaining 204 patients were analyzed in the validation study