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Table 2 Sensitivity, specificity, positive and negative predictive values of RDW in diagnosing iron deficiency anemia

From: Efficiency of red cell distribution width in identification of children aged 1-3 years with iron deficiency anemia against traditional hematological markers

Cut-offs (values in %)

Sensitivity (%)

Specificity (%)

PPV (%)

NPV (%)

RDW- 18%

76.5

73.1

73.21

76.4

RDW- 16.4%

94.2

50.7

64.74

90.1

RDW- 21%

28.5

95

84.56

58.03

Hb ≤10 g/dL and RDW >15%

99

90

90.49

98.9

  1. Abbreviations: RDW Red cell distribution width, Hb Hemoglobin, PPV Positive predictive value, NPV Negative predictive value.
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BMC Pediatrics

ISSN: 1471-2431

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