Table 4.

Comparison of levels of oxidative stress indicators between 2 groups.

Time	Group	n	GSH-PX (U/mL)	MDA (µmol/L)	SOD (U/mL)
Before treatment	Combined group	64	77.5 ± 8.8	8.25 ± 1.39	75.1 ± 9.5
	Simple group	62	76.6 ± 9.1	8.51 ± 1.35	74.3 ± 9.1
	t		0.603	−1.057	0.484
	P		.547	.293	.629
After treatment	Combined group	64	94.5 ± 7.8*	5.59 ± 1.10*	90.3 ± 10.9*
	Simple group	62	87.1 ± 8.9*	6.70 ± 1.24*	81.9 ± 8.7*
	t		4.949	−5.287	4.806
	P		<.001	<.001	<.001

Note: Compared with before treatment in this group.

^*P < .05.