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Table 2 Predictive values of urinary hepcidin level in detection of iron deficiency

From: Urinary hepcidin level as an early predictor of iron deficiency in children: A case control study

  Urinary hepcidin-25 level for detection of
  Stage-1(ID) Stage-2(ID) Stage-3(IDA)
Area under ROC curve 0.838 0.944 0.999
Standard error 0.058 0.034 0.004
95%confidence interval 0.707-0.927 0.840-0.988 0.927-1.000
Significance level p (area = 0.05) 0.0001 0.0001 0.0001
Cut off point (nmol/mmol Cr) ≤ 0.94 ≤ 0.42 ≤ 0.08
Sensitivity (%) 88.0 96.0 96.0
Specificity (%) 88.0 92.0 100.0
Positive predictive value (%) 88.0 92.3 100
Negative predictive value (%) 88.0 95.8 96.2