Table 2.

Correlation between the concentrations of ions in the egg yolk.

Items	Cd	Pb	Cr	Hg	Se	Cu	Fe	Mn	Zn	Na	K	Mg	Ca
Cd	1
Pb	0.802**	1
Cr	0.349	0.315	1
Hg	0.524*	0.264	0.558*	1
Se	−0.045	0.152	0.176	−0.112	1
Cu	−0.263	−0.156	0.252	0.320	0.120	1
Fe	0.510*	0.367	0.149	0.244	−0.155	−0.422	1
Mn	−0.461	−0.584**	−0.091	−0.094	−0.500*	−0.045	0.026	1
Zn	−0.119	−0.247	0.381	0.362	−0.323	0.680**	−0.084	0.371	1
Na	0.017	0.386	0.161	−0.040	−0.160	−0.130	−0.038	−0.016	−0.154	1
K	0.001	−0.156	0.307	0.449	−0.312	0.396	0.149	0.284	0.604**	0.258	1
Mg	0.050	−0.237	0.139	0.209	−0.358	0.342	−0.137	0.365	0.624**	−0.308	0.459*	1
Ca	0.130	−0.141	0.417	0.461	−0.120	0.580**	−0.182	0.010	0.686**	−0.161	0.394	0.475*	1

^*Measurements are significantly correlated at P < 0.05;

^**measurements are significantly correlated at P < 0.01 (two-tailed).