Big End Double-Layer Stents for the Treatment of Gastric Outlet Obstruction Caused by Stomach Cancer

Table 1

Patient characteristics.

Characteristic	No.
Male/female	36/37
Average age	78.8
Comorbidities	19/73
Differentiated degree
Moderately	18
Poorly	55
TNM staging
III	19
IV	54
Chemotherapy	5/73
Cup/funnel shape	51/22
GOOSS (before stent)

TNM = tumor, node, metastasis; GOOSS = gastric outlet obstruction score system.