Table 2. Four elements content and SOD activity in seminal plasm from globozoospermic patients and fertile controls.

Groups	n	Element content (µg/mL)				SOD activity (U/mL)
		Mn	Cu	Fe	Zn
Globozoospermia (n=5)	1	0.784	0.523	0.275	128.576	362.156
	2	0.110	0.290	1.530	99.450	258.930
	3	0.300	0.135	0.975	57.090	332.079
	4	0.610	0.190	1.790	95.580	312.675
	5	0.350	0.360	2.150	152.640	331.737
	$\overline{x}\pm SD$	0.431±0.266	0.300±0.152	1.344±0.735	106.667±36.147*	319.515±38.219*
Fertile control (n=12)	1	0.440	0.210	1.190	144.720	350.014
	2	0.290	0.280	0.460	165.030	371.186
	3	0.250	0.320	1.780	115.350	379.129
	4	0.438	0.350	1.850	143.250	308.704
	5	0.500	0.480	1.760	107.130	364.1061
	6	0.270	0.210	0.220	136.980	345.505
	7	0.410	0.190	0.800	152.820	366.425
	8	0.380	0.420	1.800	166.290	350.188
	9	0.038	0.550	1.638	195.563	338.553
	10	0.660	0.170	2.080	173.970	366.252
	11	0.030	0.230	0.940	213.480	406.663
	12	0.180	0.430	1.930	184.710	351.056
	$\overline{x}\pm SD$	0.324±0.186	0.320±0.126	1.371±0.627	158.274±31.398	358.148±23.935

*, significant differences, with respect to fertile controls (P<0.05). SOD, superoxide dismutase.