Table 1. Patient’s characteristics of the minimally invasive laparoscopic surgery group and the open resection group.

	Laparoscopy group (n=15)	Open resection group (n=21)	P value
Male-to-female ratio	8:7	11:10	>0.05
Average age (years)	54.21±8.91	52.37±10.13	0.132
Average BMI index	22.3±3.0	22.2±3.1	0.674
Clinical manifestations			0.864
Abdominal discomfort	6	8
Abdominal distension	4	6
Gastrointestinal bleeding	2	3
No clinical symptoms	3	4