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Table 1 Patients’ characteristics of the two groups

From: Percutaneous stent placement for malignant hilar biliary obstruction: side-by-side versus stent-in-stent technique

CharacteristicsSBS groupSIS groupp value
Pt. No.3827 
Gender  0.30
 Male19 (50.0)10 (37.0) 
 Female19 (50.0)17 (63.0) 
Age (y)63.0 ± 12.465.3 ± 13.50.48
ECOG  0.48
 03 (7.7)2 (6.2) 
 123 (61.5)20 (75) 
 212 (30.8)5 (18.8) 
Obstruction causes  0.72
 Cholangiocarcinoma18 (47.3)9 (33.4) 
 Gallbladder cancer9 (23.7)8 (29.6) 
 HCC6 (15.8)5 (18.5) 
 Others5 (13.2)5 (18.5) 
Bismuth classification  0.68
 Type II9 (23.7)8 (29.6) 
 Type III22 (57.9)16 (59.3) 
 Type IV7 (18.4)3 (11.1) 
 Further chemotherapy6 (15.8)4 (14.8)0.91
  1. Note-Values presented as mean ± standard deviation where applicable. Values in parentheses are percentages
  2. ECOG Eastern Cooperative Oncology Group, HCC Hepatocellular Carcinoma