Using Soluble Transferrin Receptor and Taking Inflammation into Account When Defining Serum Ferritin Cutoffs Improved the Diagnosis of Iron Deficiency in a Group of Canadian Preschool Inuit Children from Nunavik

Table 5

Spearman’s correlation coefficients () between the different iron status indicators.

	Hb	MCV	MCHC	SI	TIBC	TS	sTfR	sTfR-FI	SF	CRP
Hb	1.0
MCV	0.451	1.0
MCHC	0.592	0.414	1.0
SI	0.295	0.501	0.196^§	1.0
TIBC	−0.227^‡	−0.450	−0.297	−0.123	1.0
TS	0.352	0.598	0.280^†	0.952	−0.390	1.0
sTfR	−0.348	−0.650	−0.371	−0.547	0.499	−0.670	1.0
sTfR-FI	−0.252^‡	−0.552	−0.365	−0.294^†	0.630	−0.473	0.782	1.0
SF	0.098	0.310	0.205^‡	−0.007	−0.537	0.158^§	−0.340	−0.828	1.0
CRP	−0.167^§	−0.252^‡	−0.173^§	−0.625	−0.080	−0.545	0.268^†	0.019	0.328	1.0

Abbreviations are as defined in Table 3.
With the exception of correlation coefficients involving sTfR and sTfR-FI for which the n varied between 141 and 149 participants and MCHC between 159 and 177, the for all the other correlation coefficients varied between 162 and 180 participants.
( value):  ; ; ; .