Table 3.

Seminal plasma levels of free 8-Isoprostane and total antioxidant capacity (TAC) and activities of catalase and superoxide dismutase (SOD) in controls and subgroups of patients.

Diagnosis	8-Isoprostane (ng/ml)	TAC (mM)	Catalase (U/ml)	SOD (U/ml)
Controls
Normozoospermic (n = 16)	6.95 ± 2.10	1.63 ± 0.08	22.58 ± 2.20	5.89 ± 0.96
Patients
Asthenozoospermic (n = 15)	14.66 ± 4.10a	1.12 ± 0.06d	13.76 ± 1.64e	4.82 ± 0.54
Asthenoteratozoospermic (n = 16)	16.71 ± 5.58b	1.02 ± 0.08d	16.66 ± 1.46f	6.24 ± 1.50
Oligoasthenoteratozoospermic (n = 15)	23.42 ± 8.36c	1.01 ± 0.09d	12.61 ± 1.65g	4.82 ± 0.39

Data are reported as mean ± SEM.

^ap = 0.01, ^bp = 0.008, ^cp = 0.04, ^dp = 0.0001, ^ep = 0.004, ^fp = 0.04, ^gp = 0.001 in comparison with normozoospermic men.