Table 3.

Comparison of nutritional status between the two groups before and after intervention (points, $\overline{x}\pm s$).

	Time	Experimental group (n = 43)	Control group (n = 37)	t	P
Serum fatty acids	Before intervention	1.33 ± 0.10	1.19 ± 0.32	1.52	0.086
	After intervention	0.63 ± 0.35	1.09 ± 0.42	5.78	<0.001
	t	3.29	2.18	—	—
	P	0.042	0.062	—	—
Serum albumin	Before intervention	43.67 ± 4.37	44.32 ± 2.49	0.54	0.37
	After intervention	36.32 ± 1.99	47.29 ± 2.12	16.42	0.0001
	t	8.91	7.15	—	—
	P	0.0001	0.321	—	—
Total lymphocytes	Before intervention	1.67 ± 0.37	1.42 ± 0.09	2.34	0.39
	After intervention	1.01 ± 2.89	1.39 ± 2.32	1.32	0.056
	t	3.91	7.15	—	—
	P	0.053	0.076	—	—
Serum cholesterol	Before intervention	170.65 ± 12.37	178.31 ± 20.09	0.54	0.27
	After intervention	106.31 ± 3.19	169.39 ± 2.29	6.32	0.0002
	t	14.31	3.15	—	—
	P	0.0003	0.045	—	—

Note: compared with the control group, significant difference as P < 0.001.