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Table 1 The characteristics of included patients (n = 160)

From: Influencing factors of biliary fistula after radical resection of hilar cholangiocarcinoma: a prospect cohort

Variables

Biliary fistula group (n = 33)

No biliary fistula group (n = 127)

t/χ2

p

Male/female

20/13

84/43

1.041

0.069

Age (y)

69.86 ± 10.22

57.02 ± 9.34

3.088

0.011

BMI (kg/m2)

21.01 ± 2.13

21.85 ± 2.02

2.904

0.061

Hypertension

10(30.30%)

34(26.77%)

2.131

0.077

Diabetes

9(27.27%)

36(28.35%)

1.918

0.083

Bismuth type

  

1.557

0.067

I

0(0%)

3(2.36%)

  

II

4(12.12%)

17(13.39%)

  

IIIa

7(21.22%)

38(29.92%)

  

IIIb

11(33.33%)

40(31.49%)

  

IV

11(33.33%)

29(22.83%)

  

Preoperative cholangitis

12(36.36%)

26(20.47%)

1.466

0.013

Time of intraoperative liver ischemia(min)

46.26 ± 19.10

42.09 ± 16.64

11.26

0.061

ASA score ≥ 3

24(72.73%)

78(61.42%)

2.051

0.071

Number of biliary anastomosis

2.88 ± 0.76

1.12 ± 0.22

1.849

0.035

Estimated blood loss during surgery

625.49 ± 285.05

588.14 ± 255.38

42.021

0.115

Blood infusion during surgery

25(75.76%)

92(72.44%)

1.261

0.072

Duration of surgery(days)

618.04 ± 124.92

601.29 ± 131.54

35.073

0.149