Table 1.

Total antioxidant capacity (Ta), average activity (A), and mass of antioxidant substances (M) in serum of two different groups (potassium permanganate method).

Group	Antioxidant capacity in serum
	Ta	A	M
Old	8.067 ± 0.405	4.684 ± 0.175	1.723 ± 0.085
Young	8.341 ± 0.373	4.750 ± 0.112	1.756 ± 0.072
t value	3.525	2.254	2.092
P value	0.001	0.026	0.039