Comparative analysis of conventional laparoscopic surgery and single-incision laparoscopic surgery in gastric cancer treatment: Outcomes and prognosis

Table 3 Comparison of stress responses between the two groups, mean ± SD

Group	CRP (mg/L)		WBC (× 109/L)
	Preoperative	Postoperative day 1	Preoperative	Postoperative day 1
SILS + 1 group (n = 56)	4.52 ± 1.23	6.41 ± 1.63a	5.16 ± 1.29	6.34 ± 1.50a
CLS group (n = 37)	4.69 ± 1.30	7.82 ± 1.88a	5.24 ± 1.37	7.09 ± 1.61a
t value	0.638	3.917	0.286	2.292
P value	0.525	<0.001	0.776	0.024

^aP < 0.05.

CRP: C-reactive protein; WBC: White blood cell; SILS + 1: Single-incision laparoscopic surgery plus one port; CLS: Conventional laparoscopic surgery.