Table 1.

Baseline demographic and clinical features of patients

Characteristic	Data (average)
Age (yr)	61.33
Gender	Male (6)/female (9)
Weight (kg)	55.93
Height (m)	1.61
Weight loss (kg)/(mo)	14.53/5.40
Previous chemotherapy/radiation therapy	Yes (5)/no (10)
Previous biliary drainage	Yes (8)/no (7)
Only local cancer	Yes (5)/no (10)
Malignancy
Pancreatic adenocarcinoma	9
Gastric adenocarcinoma	3
Cholangiocarcinoma	1
Metastatic disease	2
Location of the obstruction
Stomach	3
Bulb	7
Second and third portion	5
Tumor extension (cm)	4.93
Biliary stenosis	Bismuth I (2)/bismuth II and III (6)