Skip to main content

Table 4 AUCs for AKI stratified according to admission serum glucose concentrations

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 = 412)

 <110 (n = 448)

77 (17.2)

0.643 ± 0.034

0.597–0.687

21.04

0.727

0.496

 110 to < 140 (n = 468)

119 (25.4)

0.645 ± 0.029

0.600–0.689

28.47

0.546

0.673

 140 to < 170 (n = 275)

93 (33.8)

0.639 ± 0.036

0.579–0.696

32.89

0.613

0.654

 170 to < 200 (n = 123)

51 (41.5)

0.634 ± 0.052

0.543–0.719

29.80

0.726

0.569

  ≥ 200 (n = 123)

72 (58.5)

0.651 ± 0.052

0.560–0.735

28.03

0.778

0.549

Severe AKI (n = 109)

 <110 (n = 448)

18 (4.0)

0.703 ± 0.068

0.658–0.745

38.37

0.667

0.770

 110 to < 140 (n = 468)

27 (5.8)

0.756 ± 0.048

0.714–0.794

31.65

0.778

0.687

 140 to < 170 (n = 275)

28 (10.2)

0.679 ± 0.049

0.621–0.734

33.95

0.750

0.615

 170 to < 200 (n = 123)

13 (10.6)

0.680 ± 0.086

0.590–0.762

49.25

0.616

0.736

 ≥200 (n = 123)

23 (18.7)

0.703 ± 0.054

0.614–0.782

35.01

0.870

0.560

  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. < 110 mg/dl versus 110 to < 140 mg/dl Z = 0.045, P = 0.964
  4. < 110 mg/dl versus 140 to < 170 mg/dl Z = 0.081, P = 0.935
  5. < 110 mg/dl versus 170 to < 200 mg/dl Z = 0.145, P = 0.885
  6. < 110 mg/dl versus ≥200 mg/dl Z = 0.129, P = 0.897
  7. 110 to < 140 mg/dl versus 140 to < 170 mg/dl Z = 0.131, P = 0.895
  8. 110 to < 140 mg/dl versus 170 to < 200 mg/dl Z = 0.185, P = 0.853
  9. 110 to < 140 mg/dl versus ≥200 mg/dl Z = 0.102, P = 0.919
  10. 140 to < 170 mg/dl versus 170 to < 200 mg/dl Z = 0.079, P = 0.937
  11. 140 to < 170 mg/dl versus ≥200 mg/dl Z = 0.192, P = 0.848
  12. 170 to < 200 mg/dl versus ≥200 mg/dl Z = 0.232, P = 0.816
  13. Severe AKI:
  14. < 110 mg/dl versus 110 to < 140 mg/dl Z = 0.635, P = 0.525
  15. < 110 mg/dl versus 140 to < 170 mg/dl Z = 0.287, P = 0.774
  16. < 110 mg/dl versus 170 to < 200 mg/dl Z = 0.210, P = 0.834
  17. < 110 mg/dl versus ≥200 mg/dl Z = 0, P = 1
  18. 110 to < 140 mg/dl versus 140 to < 170 mg/dl Z = 1.125, P = 0.261
  19. 110 to < 140 mg/dl versus 170 to < 200 mg/dl Z = 0.773, P = 0.440
  20. 110 to < 140 mg/dl versus ≥200 mg/dl Z = 0.734, P = 0.463
  21. 140 to < 170 mg/dl versus 170 to < 200 mg/dl Z = 0.010, P = 0.992
  22. 140 to < 170 mg/dl versus ≥200 mg/dl Z = 0.331, P = 0.740
  23. 170 to < 200 mg/dl versus ≥200 mg/dl Z = 0.227, P = 0.820