ROC data elaboration for each red cell parameter to distinguish LID from normal subjects and IDA cases.

Table 2: ROC data elaboration for each red cell parameter to distinguish LID from normal subjects and IDA cases.

Parameters	AUC	95% CI	Cut-off		Sensitivity (%)	Specificity (%)
			LID	Normal
Ret-He (pg)	0.852	0.806-0.897	< 33.15	> 33.15	75.61	78.05
%Hypo-He	0.891	0.853-0.928	> 0.75	< 0.75	78.05	84.12
%Hyper-He	0.828	0.779-0.878	< 1.15	> 1.15	77.59	69.51
%MicroR	0.844	0.795-0.893	> 2.55	< 2.55	73.17	81.92
RET-Y (ch)	0.851	0.806-0.897	< 1774.50	> 1774.50	73.95	79.27
RBC-Y (ch)	0.874	0.832-0.916	< 1648.50	> 1648.50	81.02	80.49
			LID	IDA
Ret-He (pg)	0.909	0.865-0.952	> 28.75	< 28.75	84.14	85.57
%Hypo-He	0.905	0.863-0.948	< 4.25	> 4.25	80.76	84.14
%MicroR	0.915	0.874-0.956	< 6.55	> 6.55	85.57	86.58
RET-Y (ch)	0.909	0.865-0.952	> 1624.00	< 1624.00	85.36	84.61
RBC-Y (ch)	0.913	0.872-0.954	> 1531.50	< 1531.50	85.36	85.57
sTfR (mg/l)	0.909	0.865-0.953	< 5.45	> 5.45	84.61	85.36
LHD	0.852	0.799-0.905	< 10.25	> 10.25	78.84	76.82
RSF	0.848	0.791-0.905	> 91.75	< 91.75	80.48	75.00
MAF	0.954	0.927-0.980	> 9.25	< 9.25	89.02

AUC: Area under curve; 95% CI: 95% confidence interval; TPR: True positive rate; FPR: False positive rate; LID: Latent iron deficiency; IDA: Iron deficiency anemia.