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Table 5 AUCs for AKI stratified according to admission serum glucose in non-diabetic patients

From: Impact of blood glucose levels on the accuracy of urinary N-acety-β-D-glucosaminidase for acute kidney injury detection in critically ill adults: a multicenter, prospective, observational study

Glucose (mg/dL) AKI (n, %) AUC-ROC 95% CI Cut-off (U/g Cr) Sensitivity Specificity
Total AKI (n = 304)
  < 200 (n = 1158) 276 (23.8) 0.645 ± 0.019 0.617–0.673 29.80 0.554 0.661
  ≥ 200 (n = 54) 28 (51.9) 0.679 ± 0.074 0.538–0.799 43.86 0.607 0.769
Severe AKI (n = 74)
  < 200 (n = 1158) 65 (5.6) 0.715 ± 0.033 0.688–0.740 31.65 0.708 0.657
  ≥ 200 (n = 54) 9 (16.7) 0.698 ± 0.085 0.557–0.815 44.74 0.778 0.689
  1. AUC area under the receiver operating characteristic curve, AKI acute kidney injury, n sample size, 95% CI, 95% confidence interval
  2. Total AKI:
  3. ≥200 mg/dL versus < 200 mg/dL Z = 0.444, P = 0.657
  4. Severe AKI:
  5. ≥200 mg/dL versus < 200 mg/dL Z = 0.186, P = 0.852