Self-expanding metal stents for the palliation of malignant gastric outlet obstruction in patients with peritoneal carcinomatosis

Table 1 Baseline characteristics

	Total		Without PC		With PC		P value
	n	%	n	%	n	%
No. of patients	62	100%	35	56%	27	44%
Gender
Female	27/62	44%	19/35	54%	8/27	30%	0.072
Median age (yr)	70.5 (63-81)		76 (64-86)		68 (60-74)		0.0221
Etiology
Pancreatic cancer	29/62	47%	20/35	57%	9/27	33%	0.077
Gastric cancer	14/62	23%	4/35	11%	10/27	37%	0.0301
GB or BD cancer	9/62	15%	4/35	11%	5/27	19%	0.485
Ampulla of Vater cancer	3/62	5%	3/35	9%	0/27	0%	0.250
Other	7/62	11%	4/35	11%	3/27	11%	1.000
Site of obstruction
Duodenum	44/62	71%	30/35	86%	14/27	52%	0.0051
Pylorus	7/62	11%	3/35	9%	4/27	15%	0.689
Rest of stomach	4/62	6%	0/35	0%	4/27	15%	0.0311
Anastomosis	5/62	8%	1/35	3%	4/27	15%	0.158
Other	2/62	3%	1/35	3%	1/27	4%	1.000

¹Statistically significant. Displayed are percentages and numbers or median and quartiles; P-values: Fisher's exact test or Mann-Whitney-Wilcoxon test. GB: Gall bladder; BD: Bile duct.