Short- and long-term outcomes after colonic self-expandable metal stent placement for malignant large-bowel obstruction as a bridge to surgery focus on the feasibility of the laparoscopic approach: a retrospective, single center study

Table 4 Characteristics of the patients, open surgery group (open) versus laparoscopic surgery group (lap)

		Open (N = 21)	Lap (N = 54)	p value**
Sex (%)	M	15 (71.4)	33 (61.1)	0.40
	F	6 (28.6)	21 (38.9)	0.40
Age*		68.0 (50-86)	63.5 (30-82)	0.061
BMI*		19.7 (16.7-28.0)	21.3 (14.4-34.9)	0.73
ASA (%)	1	4 (19.0)	21 (38.9)	0.17
	2-3	17 (81.0)	33 (61.1)	0.17
T (%)	2	0 (0)	1 (1.9)	0.042
	3	8 (38.1)	32 (59.3)
	4a	8 (38.1)	18 (33.3)
	4b	5 (23.8)	3 (5.6)
N (%)	0	10 (47.6)	20 (37.0)	0.37
	1	4 (19.0)	19 (35.2)
	2	7 (33.3)	15 (27.8)
Stage (%)	I	0 (0)	1 (1.9)	0.23
	II	8 (38.1)	18 (33.3)
	III	5 (23.8)	20 (37.0)
	IV	8 (38.1)	14 (25.9)
Location (%)	Right	6 (28.6)	10 (18.5)	0.35
	Left	15 (71.4)	44 (81.5)	0.35
Size (mm)*		65.0 (40-108)	61.5 (0-615)	0.36
Operation time (min)*		199 (127-610)	252.5 (137-812)	0.49
Blood loss (ml)*		210 (40-4850)	30 (5-615)	0.0017
Lymph node dissection*		25 (7-72)	25 (8-102)	0.62
Postoperative stay (day)*		14 (8-54)	13 (8-47)	0.60
Postoperative complication, Clavien-Dindo ≥grade III (%)		5 (23.8)	7 (13.0)	0.26
Anastomotic leakage		2	5
SSI		2	0
Ileus		1	2

ISSN: 1477-7819