Table 2.

Results of analysis of cord serum

Descriptive statistics	Element (μg/L)
	Fe	Cu	Zn	Se
Mean	2,312	301	819	36
Median	2,145	310	800	34
SD	789	77	224	10
Min value	830	150	350	22
Max value	3,710	450	1,340	60
IQR	1,115	100	290	13.75
Literature values
Ref. [5]		210 ± 110	830 ± 390
Ref. [14]	1,160 ± 170	490 ± 240	1,140 ± 23
Ref. [15]	949 ± 72	1,016 ± 119	887 ± 98
Ref. [13], [25*]	1,907 ± 130	449 ± 87*		37.02 ± 8.9*
Ref. [19], [26*]		400 ± 130	930 ± 220	34 ± 7*
Ref. [20]			870 ± 95

* refers to Elem. Conc.