Effect of double-tract reconstruction and laparoscopic proximal gastrectomy on immune function and stress

Table 5 Immune function of two groups

Indicators	Research group (n = 39)	Control group (n = 39)	t	P value
IgG (g/L)
Before surgery	12.23 ± 1.72	11.97 ± 2.03	0.610	0.544
1 day after surgery	9.90 ± 1.68b	8.05 ± 2.28b	4.079	< 0.001
IgA (g/L)
Before surgery	3.12 ± 1.01	3.26 ± 1.10	0.585	0.560
1 day after surgery	1.87 ± 0.90b	1.38 ± 0.49b	2.986	0.004
IgM (g/L)
Before surgery	0.87 ± 0.30	0.97 ± 0.27	1.547	0.126
1 day after surgery	0.65 ± 0.25b	0.42 ± 0.17b	4.751	< 0.001

^bP < 0.01, compared with before surgery.

IgG: Immunoglobulin G; IgA: Immunoglobulin A; IgM: Immunoglobulin M.