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Table. 3.

Comparative Studies for Endoscopic SIS vs SBS Deployment for Hilar Biliary Obstrucion

Author Design Stent Sex
(male)
Mean
age (SD)
Technical success Clinical success Early adverse events Late adverse events Total adverse events Occlusion rate Stent
patency (day)
Survival (day)
Naitoh et al20 Retrospective SIS, 24 14 74.6
(8.3)
100
(24)
100
(24/24)
4.2
(1/24)
8.3
(2/24)
12.5
(3/24)
41.7 (10/24) 104 159
SBS, 28 11 69.5
(11)
89.3
(25)
96.0 (24/25) 10.7
(3/28)
32.0
(8/25)
44.0
(11/25)
20.0
(5/25)
155 198
P-value 0.137 0.105 0.148 0.51 0.366 0.074 0.016 0.091 0.388 0.952
Kim et al59 Retrospective SIS, 22 17 65.0
(3.1)
100
(22)
81.8
(18)
22.7
(5/22)
50.0 (11/22) 72.7 (16/22) 59.1 (13/22) 134 225
SBS, 19 11 64.2
(2.8)
100
(19)
78.9
(15)
31.6
(6/19)
36.8
(7/19)
68.4 (13/19) 47.4
(9/19)
118 146
P-value 0.313 0.637 NS 1 0.725 0.531 N/A 0.538 0.074 0.266
Law and Baron61 Retrospective SIS, 7 Total 68 100
(7)
Total Total 42.9
(3/7)
Total
SBS, 17 19 68 100
(17)
N/A 4/0 4/0 52.9
(9/17)
86 N/A
P-value 0.99 NS N/A N/A N/A N/A 0.31 N/A N/A
Lee et al60 RCT SIS, 34 15 74.5
(10.04)
100
(34)
94.1 (32/34) 11.8
(4/34)
17.6
(6/34)
23.5
(8/34)
44.1 (15/34) 253 209
SBS, 35 21 72.5
(11.05)
91.4
(32)
90.6 (29/32) 11.4
(4/35)
22.9
(8/35)
28.6 (10/35) 34.3 (12/35) 262 221
P-value 0.187 0.438 0.081 0.668 0.965 0.591 0.633 0.403 0.865 0.197

Values are presented as number only, percentage (number), or median.

SIS, stent-in-stent; SBS, stent-by-stent; SD, standard deviation; NS, not significant; N/A, not available; RCT, randomized controlled trial.

Int J Gastrointest Interv 2021;10:120~127 https://doi.org/10.18528/ijgii210035
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