Comparison of an Inside Stent and a Fully Covered Self-Expandable Metallic Stent as Preoperative Biliary Drainage for Patients with Resectable Perihilar Cholangiocarcinoma
Table 1
Clinical characteristics according to the type of stent.
Variables
All patients
Propensity matched patients
IS (n = 51)
FCSEMS (n = 35)
value
IS (n = 18)
FCSEMS (n = 18)
value
Age, y (range)
70 (25–84)
71 (46–83)
0.273
70 (52–80)
71 (46–83)
0.960
Sex, n (%)
0.316
0.717
Male
36 (70.6)
28 (80.0)
13 (72.2)
12 (80.0)
Female
15 (29.4)
7 (20.0)
5 (27.8)
6 (20.0)
Bismuth-Corlette classification, n (%)
<0.001
1.000
I/II
9 (17.6)
26 (74.3)
9 (50.0)
9 (50.0)
III/IV
42 (82.4)
9 (25.7)
9 (50.0)
9 (50.0)
Primary carcinoma, n (%)
0.439
0.674
Bile duct
44 (86.3)
28 (80.0)
14 (77.8)
15 (80.0)
Gallbladder
7 (13.7)
7 (20.0)
4 (22.2)
3 (20.0)
Previous drainage (total), n (%)
0.109
0.206
With
40 (78.4)
32 (91.4)
13 (72.2)
16 (88.9)
Without
11 (21.6)
3 (8.6)
5 (27.8)
2 (11.1)
Total bilirubin before ERCP, n (%)
0.338
0.289
Over 3.0 mg/dl
4 (7.8)
5 (14.2)
1 (5.6)
3 (16.7)
Under 3.0 mg/dl
47 (92.2)
30 (85.8)
17 (94.4)
15 (83.3)
Previous endoscopic sphincterotomy, n (%)
0.348
0.738
With
21 (41.2)
18 (51.4)
8 (44.4)
9 (50.0)
Without
30 (58.8)
17 (48.6)
10 (55.6)
9 (50.0)
There are duplicates. IS, inside stent; FCSEMS, fully covered self-expandable metallic stent.
