Table 2.

Comparison of immune function indexes between the two groups ($\overline{x}\pm s$).

Groups	n	CD3+ (%)	CD+4 (%)	CD8+ (%)	CD4+/CD8+
Observation group (n = 30)	Before treatment	57.94 ± 6.22	29.32 ± 3.41	26.69 ± 2.53	1.05 ± 0.15
	After treatment	68.23 ± 7.72	41.48 ± 4.03	27.20 ± 2.37	1.57 ± 0.26
	t	5.685	12.627	0.805	9.386
	P	≤0.001	≤0.001	0.424	≤0.001
Control group (n = 30)	Before treatment	57.03 ± 6.95	29.50 ± 3.63	26.32 ± 2.49	1.06 ± 0.16
	After treatment	62.49 ± 5.56	35.28 ± 3.61	26.45 ± 2.20	1.34 ± 0.10
	t	3.357	6.1921	0.214	8.707
	p	0.001	≤0.001	0.831	≤0.001
	t1	0.534	0.209	0.570	0.255
	P	0.595	0.836	0.571	0.800
	t2	3.305	6.284	1.270	4.296
	P	0.002	≤0.001	0.209	≤0.001

Note: t1 represents the comparison between the two groups before treatment, and t2 represents the comparison between the two groups after treatment.