Table 5.

Spearman's correlation coefficients (R) 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 n for all the other correlation coefficients varied between 162 and 180 participants.

P (P value):  ^∗ P ≤ 0.0001; ^† P ≤ 0.001; ^‡ P < 0.01; ^§ P < 0.05.