Table 4
The location of tumors in subgroups

	OC* group (n=30)	LC† group (n=30)	HALC‡ group (n=30)	P value (P<0.05)
Location of colon cancer				0.000
Cecum	0 (0%)	7 (23.3%)	0 (0%)
Ascending colon	7 (23.3%)	13 (43.3%)	0 (0%)
Transverse colon	2 (6.7%)	3 (10.0%)	0 (0%)
Descending colon	0 (0%)	0 (0%)	2 (6.7%)
Sigmoid colon	8 (26.7%)	6 (20.0%)	18 (60.0%)
Rectosigmoid junction	2 (6.7%)	1 (3.3%)	1 (3.3%)
Rectum	11 (36.7%)	0 (0%)	9 (30.0%)

OC, open colectomy; ^†LC, laparoscopic colectomy; ^‡HALC, hand-assisted laparoscopic colectomy.