Table 3.

AUC values for tests proposed to diagnose iron deficiency

Test	AUC	95% CI for AUC
Transferrin	0.796	0.642 to 0.887
Transferrin saturation	0.666	0.549 to 0.758
Hypochromic erythrocytes	0.660	0.483 to 0.785
Soluble transferrin receptor	0.656	0.549 to 0.758
Reticulocyte Haemoglobin	0.643	0.494 to 0.756
MCV	0.569	0.474 to 0.651
Iron	0.559	0.457 to 0.646