. 2019 Jun 5;16(11):1996. doi: 10.3390/ijerph16111996

Table 3.

Simple correlations between iron status parameters in the cord blood of newborns and markers for determining the intensity of mother’s smoking (n = 40).

Cord Iron Status Parameters	Cotinine Level		Number of Cigarettes/Day		Time of Smoking Before Conception
Cord Iron Status Parameters	r	p-Value	r	p-Value	r	p-Value
Hepcidin ^a	−0.334	0.033	−0.320	0.041	−0.128	0.425
Erythropoietin ^a	0.474	0.002	0.456	0.003	0.045	0.778
Ferritin ^a	−0.250	0.115	0.064	0.692	−0.087	0.589
Iron ^a	−0.262	0.099	−0.055	0.731	−0.332	0.034
Hemoglobin ^b	0.185	0.247	0.226	0.155	−0.018	0.912
Soluble transferrin receptor ^a	0.192	0.228	0.646	0.000	0.023	0.883

^a Pearson’s correlation coefficient; ^b Spearman’s correlation coefficient.