Table 1.

Baseline patient characteristics n (%)

	Total (n = 38)
Age, mean, yr	73.7 ± 12.1
Sex, male/female	26(68.4)/12(31.6)
Indication of biliary stent
CBD stone	19 (50.0)
CBD stricture	14 (36.8)
CBD stone with CBD stricture	5 (13.2)
Types of stents
Diameter, Fr: 7/10/11.5	2(5.3)/21(55.3)/15(39.5)
Length, cm: 5/7/9	13(34.2)/22(57.9)/3(7.9)
Underlying diseases
Chronic pancreatitis	4 (10.5)
Liver cirrhosis	1 (2.6)
STG BII	4 (10.5)
Chronic renal failure	2 (5.3)
Cerebrovascular accident	5 (13.2)

CBD: Common bile duct; STB BII: Subtotal gastrectomy with Billroth II.