NOSTRIN and acute kidney injury: Patients with the need of KRT during follow-up showed significantly higher serum Nostrin at the time of AKI diagnosis (36.3 +/-2.9 ng/mL vs. 30 +/-2.8 ng/mL, p = 0.004, cut off 17.97 ng/mL, sensitivity 88.14%, specificity 37.36%) (Fig 3B).