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

Table 3 Outcome of self-expanding metal stents placement according to the presence of carcinomatosis

	Total		Without PC		With PC		P value
	n	%	n	%	n	%
No. of patients	62		35		27
Technical success	60/62	96.8%	35/35	100.0%	25/27	92.6%	0.186
Clinical success	49/62	79.0%	31/35	88.6%	18/27	66.7%	0.03612
Reinterventions (RI)	15/62	24.2%	11/35	31.4%	4/27	14.8%	0.1302
Early RI ( ≤ 30 d)	7/62	11.3%	3/35	8.6%	4/27	14.8%	0.689
Late RI (> 30 d)	8/62	12.9%	8/35	22.9%	0/27	0.0%	0.0081
Median time to early RI (d)	6 (3.5-12.5)		11 (8.5-15.5)		3.5 (3.0-6.5)
Median time to late RI (d)	130.5 (90.75-220)		130.5 (90.75-220)		Ø
RI after clinical success	10/49	20.4%	9/31	29.0%	1/18	5.6%	0.070
Early RI ( ≤ 30 d)	2/49	4.1%	1/31	3.2%	1/18	5.6%	1.000
Late RI (> 30 d)	8/49	16.3%	8/31	25.8%	0/18	0.0%	0.0201
RI after clinical failure	5/13	38.5%	2/4	50.0%	3/9	33.3%	1.000
Early RI ( ≤ 30 d)	0/13	38.5%	2/4	50.0%	3/9	33.3%	1.000
Late RI (> 30 d)	0/13	0.0%	0/4	0.0%	0/9	0.0%
Complications
Major	3/62	4.8%	2/35	5.7%	1/27	3.7%	1.000
Minor	4/62	6.5%	1/35	2.9%	3/27	11.1%	0.309
Median survival (d)	57 (19.75-145.25)		70 (19.5-213.5)		48 (26-79)

¹Statistically significant; P-values: Fisher's exact test or

²χ² test; Displayed are percentages and numbers or median and quartiles.