Comparative study of rendezvous techniques in post-liver transplant biliary stricture

Table 2 Univariate analysis of factors related to procedure time

Factors		n	Procedure time, s, mean (range)	P-value
Rendezvous	Guidewire	19	2037 (251-6758)	0.022
Technique	KMP catheter	19	1012 (301-2006)
IHD or CBD	Present	2	1517 (1202-1831)	0.513
Stone	Absent	36	1525 (251-6758)
No. of inside stents	One	19	1198 (251-5144)	0.04
	Two	19	1851 (666-6758)
Operator	Lee IS	31	1292 (251-6758)	0.024
	Chang JH	7	2555 (735-5144)
Balloon dilation	Yes	4	2568 (2189-2895)	0.008
of the stricture	No	34	1402 (251-6758)
Age	< 60	29	1571 (251-6758)	0.904
	> 60	9	1373 (301-2895)
Procedure	First half2	15	1009 (368-1934)	0.635
Familiarity1	Second half	16	1557 (251-6758)

¹Performed by Lee IS;

²The rendezvous procedures were performed for the first half of each rendezvous group. KMP: Kumpe; CBD: Common bile duct; IHD: Intrahepatic duct.