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Table 3 Predictive value of RI, RrSO2 and RRI combined with RrSO2 for AKI occurrence

From: The clinical significance of renal resistance index (RRI) and renal oxygen saturation (RrSO2) in critically ill children with AKI: a prospective cohort study

Item

Sensitivity

Specificity

AUC

P

95%CI

upper

lower

RI > 0.635

.889

.552

.751

.025

.574

.928

RI combined RrSO2

.889

.552

.766

.017

.587

.946

RrSO2 < 43.95%

.615

.719

.609

.328

.403

.815

Cr > 27.1 μmol/L

.769

.424

.714

.025

.530

.899

  1. Renal index
  2. ROC Receiver operating characteristic, AUC Area under curve, CI Confidence interval, RrSO2 renal regional tissue oxygen saturation