Table 5.

Comparison of oxidative stress indicators (x̅ ± sd)

Group	Control group (n=48)	Research group (n=48)	t	P
SOD (U/mL)
Before treatment	71.65±10.52	70.36±9.14	0.641	0.523
After treatment	58.37±10.51***	47.74±9.46***	5.208	<0.001
MDA (U/L)
Before treatment	8.62±1.22	8.48±1.13	0.583	0.561
After treatment	6.74±0.74***	5.55±0.61***	8.597	<0.001

Note: Compared with the same group before treatment;

^***P<0.001.

SOD: superoxide dismutase; MDA: malondialdehyde.