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

Table 1 Comparison of perioperative indicators between the two groups, mean ± SD

Index	SILS + 1 group (n = 56)	CLS group (n = 37)	t value	P value
Time of operation (minute)	205.18 ± 19.35	203.59 ± 19.20	0.389	0.698
Peroperative bleeding (mL)	76.53 ± 8.12	108.67 ± 12.34	15.164	< 0.001
Total length of incision (cm)	5.29 ± 1.01	9.45 ± 2.34	11.771	< 0.001
Number of lymph nodes removed (n)	25.31 ± 3.75	26.08 ± 3.51	0.994	0.323
Hospital stays (day)	7.88 ± 1.60	9.84 ± 1.73	5.598	< 0.001
The first postoperative exhaust time (day)	1.94 ± 0.43	3.23 ± 0.88	9.417	< 0.001
The time of first ambulation (day)	2.76 ± 0.58	4.10 ± 0.97	8.337	< 0.001
Drainage tube removal time (day)	5.69 ± 1.27	7.12 ± 1.56	4.849	< 0.001

SILS + 1: Single-incision laparoscopic surgery plus one port; CLS: Conventional laparoscopic surgery.