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

Table 6 Stress response of two groups

Indicators	Research group (n = 39)	Control group (n = 39)	t	P value
CRP (ng/mL)
Before surgery	3.05 ± 0.69	2.95 ± 0.65	0.659	0.512
1 day after surgery	86.64 ± 10.66c	103.67 ± 12.71c	6.411	< 0.001
3 days after surgery	64.36 ± 5.86b	87.33 ± 8.58b	13.806	< 0.001
5 days after surgery	21.77 ± 2.92b	38.92 ± 3.72b	22.647	< 0.001
IL-6 (pg/mL)
Before surgery	78.33 ± 6.69	81.05 ± 6.39	1.836	0.070
1 day after surgery	310.77 ± 38.79c	398.13 ± 45.78c	9.092	< 0.001
3 days after surgery	238.00 ± 18.60c	332.64 ± 45.73c	11.972	< 0.001
5 days after surgery	106.97 ± 12.24b	201.36 ± 17.14b	27.988	< 0.001
TNF-α (ng/mL)
Before surgery	43.08 ± 7.19	45.44 ± 5.70	1.606	0.112
1 day after surgery	134.85 ± 20.56c	163.03 ± 22.68c	5.749	< 0.001
3 days after surgery	107.92 ± 11.51b	153.54 ± 20.08b	12.309	< 0.001
5 days after surgery	66.72 ± 10.45b	83.74 ± 10.45b	7.192	< 0.001

^bP < 0.01, compared with before surgery.

^cP < 0.001, compared with before surgery.

CRP: C-reactive protein; IL-6: Interleukin-6; TNF-α: Tumor necrosis factor-α.