Comparison on the Efficacy between Partially Covered Self-Expandable Metal Stent with Funnel-Shaped Enlarged Head versus Uncovered Self-Expandable Metal Stent for Palliation of Gastric Outlet Obstruction
Table 1
Demographic and clinical characteristics of the 48 included patients.
Characteristics
Enlarged-head group ()
uSEMS group ()
value
Age, years
70.5 ± 10.4
73.0 ± 11.9
0.447
Sex, male
11 (45.8)
12 (50.0)
0.781
Tumor characteristics
0.420
Pancreatic cancer
10 (41.6)
10 (41.7)
Cholangiocarcinoma
7 (29.2)
3 (12.5)
Duodenal cancer
1 (4.2)
0 (0.0)
Gastric cancer
2 (8.3)
7 (29.2)
Gallbladder cancer
4 (16.7)
3 (12.5)
Ampulla of Vater cancer
0 (0.0)
1 (4.1)
Site of obstruction
0.457
Pylorus
5 (20.8)
6 (25.0)
First part of duodenum
13 (54.2)
8 (33.3)
Second part of duodenum
5 (20.8)
7 (29.2)
Third part of duodenum
1 (4.2)
3 (12.5)
Length of stenosis
2.38 ± 0.71
2.91 ± 1.12
0.06
General condition
BMI, kg/m2
20.54 ± 3.47
20.13 ± 3.44
0.686
ECOG performance status
2 (2–4)
2 (2-3)
0.519
Severity of obstruction
GOOSS score
0.512
0 no oral intake
5 (20.8)
5 (20.8)
1 liquids only
12 (50.0)
16 (66.7)
2 soft solid
7 (29.2)
3 (12.5)
3 low-residue or normal diet
0 (0.0)
0 (0.0)
Values are n (%) or mean ± SD or median (range). SEMS: self-expandable metallic stent; BMI: body mass index; GOOSS: gastric outlet obstruction scoring system.
