Table 2 Univariate analysis of factors in association of biliary failure and leakage

All patients—ASA I-II

232

11

4.74%

All patients—ASA III

219

18

8.22%

0.178

DM group—ASA I-II

218

11

47.8%

DM group—ASA III

192

12

52.2%

0.597

PM group—ASA II

14

0

0.0%

PM group—ASA III

27

6

100.0%

0.079

All patients—Cholangitis

24

3

12.5%

All patients—No Cholangitis

427

26

6.09%

0.194

DM group—Cholangitis

19

1

5.26%

DM group—No Cholangitis

391

22

5.63%

1

PM group—Cholangitis

5

2

40%

PM group—No Cholangitis

36

4

11.11%

0.148

All patients—Preoperative biliary drainage used

253

14

5.53%

All patients—No preoperative biliary drainage used

198

15

7.58%

0.441

DM group—Preoperative biliary drainage used

218

9

4.1%

DM group—No preoperative biliary drainage used

192

14

7.3%

0.165

PM group—Preoperative biliary drainage used

35

5

14.3%

PM group—No preoperative biliary drainage used

6

1

16.7%

 > 0.999

DM group—Dilated bile duct

262

12

4.58%

DM group—Non dilated bile duct

148

11

7.43%

0.265

All patients—External biliary drainage used

29

3

10.34%

All patients—No external biliary drainage used

422

26

6.16%

0.42

DM group—External biliary drainage used

16

1

6.3%

DM group—No external biliary drainage used

394

22

5.6%

0.61

PM group—External biliary drainage used

13

2

15.4%

PM group—No external biliary drainage used

28

4

14.3%

 > 0.999

All patients—Postoperative red blood cell transfusion

93

10

10.75%

All patients—No postoperative red blood cell transfusion

358

19

5.31%

0.093

DM group—Postoperative red blood cell transfusion

87

8

9.2%

DM group—No postoperative red blood cell transfusion

323

15

4.64%

0.116

PM group—Postoperative red blood cell transfusion

6

2

33.33%

PM group—No postoperative red blood cell transfusion

35

4

11.43%

0.206

DM group—Postoperative pancreatic fistula

35

4

11.43%

DM group—No postoperative pancreatic fistula

375

19

5.07%

0.122

Age

mean

St. Dev

-

All patients without leakage

67.74

10.011

All patients with leakage

65.52

11.8111

0.331

DM group without leakage

67.39

11.088

DM group with leakage

64.74

12.622

0.238

PM group without leakage

71.62

9.33

PM group with leakage

68.55

7.44

0.237

Total bilirubin

mean (µmol/L)

St. Dev

-

All patients without leakage

38.51

72.24

All patients with leakage

73.50

101.03

0.077

DM group without leakage

36.49

70.17

DM group with leakage

51.73

77.49

0.263

PM group without leakage

60.68

88.93

PM group with leakage

156.95

129.73

0.080