Table 4.

Correlation coefficient matrix of selected elements in the oral fluid of healthy donors (n = 29)

	Ca	Cd	Cu	Fe	Mg	Mn	Pb	Zn
Ca	1.000	−0.349	0.335	0.028	0.782*	−0.224	0.652*	0.540*
Cd		1.000	0.016	0.124	−0.263	−0.065	−0.236	0.026
Cu			1.000	0.353	0.289	0.177	0.113	0.325
Fe				1.000	−0.054	0.350	−0.123	−0.004
Mg					1.000	−0.130	0.456*	0.384*
Mn						1.000	−0.066	−0.207
Pb							1.000	0.320
Zn								1.000

*p < 0.05