Optimal biliary drainage for inoperable Klatskin's tumor based on Bismuth type

Table 3 Comparison of demographics and clinical outcome of patients according to number of stents

	Unilateral	Bilateral	P value
Number of patients	89	45
Age (yr)1	67.3 ± 1.0	67.2 ± 1.7	0.95
Sex (M:F)	63:26	30:15	0.77
Bismuth type (II:III:IV)	12:30:47	9:17:19	0.44
Drainage method (ERBD:EPTBD:IPTBD)	27:48:14	7:18:20	< 0.01
Type of stent (EPTBD:Plastic:Metal)	48:25:16	18:23:04	0.03
Serum bilirubin (mg/dL) (mg/L)1	12.42 ± 0.90	13.22 ± 7.29	0.59
Palliation of cholestasis	80 (89.9%)	42 (93.3%)	0.73
Patency (d)1	88 ± 9	136 ± 16	0.01
Patency (d)2	68 (45-91)	112 (35-189)
Procedure related cholangitis	17 (19.1%)	12 (26.7%)	0.43
Procedure related pancreatitis	1 (1.1%)	1 (2.3%)	0.61
Procedure related bleeding	6 (6.7%)	6 (13.3%)	0.34
Procedure related mortality	0	0	1.00
30-d mortality	2 (2.3%)	0 (0%)	0.79

¹Values expressed as mean ± SE.

²Values expressed as median (range).