Table 2 Intra- and post operative parameters

Technical success (%)

100%

100%

-

Clinical success (%)

94.1%

93.3%

0.90

Procedure time (min)

42.3 ± 5.3

40.1 ± 7.5

0.18

Approach (Left/right)

7/27

5/25

0.67

Biochemical indexat 2-month

 White blood cell (× 10⁹/L)

5.5 ± 1.3

5.6 ± 1.3

0.78

 Platelet(× 10⁹/L)

173.2 ± 27.8

166.1 ± 26.0

0.30

 Hemoglobin(g/L)

124.8 ± 15.0

122.0 ± 12.2

0.41

 Albumin (g/L)

39.9 ± 2.5

39.6 ± 1.6

0.61

 Glutamic pyruvic transaminase (U/L)

48.4 ± 13.7

43.4 ± 12.1

0.13

 Glutamic oxaloacetic transaminase (U/L)

50.5 ± 11.7

48.0 ± 8.9

0.35

 Total bilirubin (µmol/L)

39.2 ± 6.6

38.1 ± 5.1

0.45

 Direct bilirubin (µmol/L)

24.1 ± 7.0

23.8 ± 4.8

0.89

 Prothrombin time(s)

17.9 ± 2.9

18.0 ± 2.7

0.90

Max. Diameter (mm)

6.6 ± 5.2

23.2 ± 6.2

0.00

LTC rate (CR + PR + SD/total × 100%)

94.1%

26.7%

0.00

Bile duct patency (Yes/no)

7/27

0/30

0.00

Following biliary stenting/catheter drainage (yes/no)

14/13

19/11

0.38

mPFS(month, 95%CI)

4.3 (95%CI 3.9–4.7)

2.8 (98%CI 2.5–3.1)

0.00

Median overall survival (month, 95%CI)

13.5 (95%CI 10.7–16.3)

8.8 (7.8–9.8)

0.00