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