Feasibility and Safety of Laparoscopic Radical Colectomy for T4b Colon Cancer at a University Hospital in Vietnam

Table 3

Description of time of the first flatus and hospitalization according to the patient’s clinical features and demographics.

Factor	First flatus time (day)			Hospital stay (day)
	1-2 (; 32.6%)	>2 (; 67.4%)		≤7 (; 69.8%)	>7 (; 30.2%)
Sex
Male	8 (33.3)	16 (66.7)	0.903	18 (75.0)	6 (25.0)	0.401
Female	6 (31.6)	13 (68.4)		12 (63.2)	7 (36.8)
Age (year)
<50	4 (26.7)	11 (73.3)	0.735	12 (80.0)	3 (20.0)	0.487
≥50	10 (35.7)	18 (64.3)		18 (64.3)	10 (35.7)
ASA
ASA I	6 (24.0)	19 (76.0.)	0.158	20 (80.0)	5 (20.0)	0.085
ASA II	8 (44.4)	10 (55.6)		10 (55.6)	8 (44.4)
Tumor diameter (cm)
≤4	1 (33.3)	2 (66.7)	0.203	2 (66.7)	1 (33.3)	0.999
4-7	9 (45.0)	11 (55.0)		14 (70.0)	6 (30.0)
≥7	4 (20.0)	16 (80.0)		14 (70.0)	6 (30.0)
Invaded structure
Abdominal wall	4 (30.8)	9 (69.2)	0.941	9 (69.2)	4 (30.8)	0.307
Intestine, mesenterium	3 (27.3)	8 (72.7)		10 (90.9)	1 (9.1)
Retroperitoneum	3 (42.9)	4 (57.1)		4 (57.1)	3 (42.9)
≥2 structures	4 (33.3)	8 (66.7)		7 (58.3)	5 (41.7)
Differentiation
Moderate	13 (34.2)	25 (65.8)	0.999	26 (68.4)	12 (31.6)	0.999
Poor	1 (20.0)	4 (80.0)		4 (80.0)	1 (20.0)
CEA level (ng/ml)
<5	4 (30.8)	9 (69.2)	0.062	10 (76.9)	3 (23.1)	0.326
5-99	6 (24.0)	19 (76.0)		18 (72.0)	7 (28.0)
≥100	4 (80.0)	1 (20.0)		2 (40.0)	3 (60.0)
Operating procedure
RC, ERC	5 (35.7)	9 (64.3)	0.999	8 (57.1)	6 (42.9)	0.520
LC, ELC	6 (30.0)	14 (70.0)		15 (75.0)	5 (25.0)
SC, AR	3 (33.3)	6 (66.7)		7 (77.8)	2 (22.2)

Note: RC: right colectomy; ERC: extended right colectomy; LC: left colectomy; ELC: extended left colectomy; SC: sigmoid colectomy; AR: anterior resection.