Table 5.

Correlations between La, Ce, Eu, Gd, and Ca concentrations in semen and sperm parameters in semen in the group of normozoospermic males (group I), the group of males with abnormal semen values (group II), and both groups combined

Sperm parameters	All individuals					Group I					Group II
	La	Ce	Eu	Gd	Ca	La	Ce	Eu	Gd	Ca	La	Ce	Eu	Gd	Ca
Ejaculate volume (ml)	−0.00	−0.00	0.04	−0.12	−0.00	0.08	0.07	−0.00	−0.01	0.06	−0.11	−0.09	0.04	−0.22*	−0.09
Progressive motility (%)	0.16*	0.16*	−0.01	0.04	0.16*	0.23*	0.20	−0.28*	0.23*	0.22*	0.05	0.04	−0.01	0.12	0.04
Normal morphology (%)	0.22*	0.22*	0.15	0.11	0.18*	0.28*	0.26*	0.01	0.23*	0.24*	0.12	0.12	0.17	0.13	0.07
Sperm concentration (×106/ml)	−0.01	−0.01	−0.10	−0.04	−0.00	0.14	0.12	−0.18	0.25*	0.13	−0.26*	−0.23*	−0.23	−0.13	−0.23*
La concentration (µg/kg dw)	1.00	0.99*	0.73*	0.71*	0.98*	1.00	0.99*	0.70*	0.70*	0.99*	1.00	0.98*	0.74*	0.74*	0.98*
Ce concentration (µg/kg dw)	0.99*	1.00	0.74*	0.71*	0.99*	0.99*	1.00	0.71*	0.68*	0.99*	0.98*	1.00	0.74*	0.74*	0.98*
Eu concentration (µg/kg dw)	0.73*	0.74*	1.00	0.42*	0.73*	0.70*	0.71*	1.00	0.40*	0.68*	0.74*	0.74*	1.00	0.46*	0.75*
Gd concentration (µg/kg dw)	0.71*	0.71*	0.42*	1.00	0.72*	0.70*	0.68*	0.40*	1.00	0.71*	0.74*	0.74*	0.46*	1.00	0.74*
Ca concentration (mg/kg dw)	0.98*	0.99*	0.73*	0.72*	1.00	0.99*	0.99*	0.68*	0.71*	1.00	0.98*	0.98*	0.75*	0.74*	1.00

Statistical analysis was performed using the Spearman’s rank correlation coefficients (Rs values are shown in the table)

Statistically significant * p < 0.05