Table 2 The patient characteristics and univariate analysis of the perioperative factors associated with hepatectomy complications

General background

 Age (years)

79.4 ± 3.36

78.0 ± 2.40

0.002

Gender

 Female

5

65

 < 0.001

 Male

44

112

Comorbidity

 < 5 kinds of diseases

6

143

0.001

 ≥ 5 kinds of diseases

43

34

History of dementia

 No

40

164

0.026

 Yes

9

13

History of anxiety/depression

 No

43

167

0.120

 Yes

6

10

Weight loss

 No

29

150

 < 0.001

 Yes

20

27

Fatigue

 No

8

57

0.034

 Yes

41

120

Diagnosis

 Malignant diseases

41

142

0.587

 Benign diseases

8

35

Reoperation

 No

49

171

0.999

 Yes

0

6

Blood test

 Albumin (g/L)

36.33 ± 4.40

38.69 ± 4.09

0.001

 Alpha-fetoprotein (ng/ml)

1558.21 ± 5121.70

542.78 ± 2542.10

0.117

 Total bilirubin (μmol/L)

33.27 ± 52.13

13.33 ± 18.31

 < 0.001

 Alkaline phosphatase (U/L)

226.15 ± 205.84

164.75 ± 207.68

0.126

 Hepatitis B surface antigen

  Negative

39

117

0.080

  Positive

10

60

 Hepatitis C surface antigen

  Negative

47

165

0.396

  Positive

2

12

 Cirrhosis

  No

32

151

0.002

  Yes

17

26

 Child–Pugh

  A

35

156

0.006

  B

14

21

 BMI (kg/m²)

     < 18.5

20

24

 < 0.001

     ≥ 18.5

29

153

Operation plan

 Adjacent organ resection

     No

41

177

0.003

     Yes

8

0

 Number of segments resected

   ≤ 2

20

127

 < 0.001

   ≥ 3

29

50

 Resection style

  Nonanatomical

24

83

0.796

  Anatomical

25

94

Operative duration (min)

 < 180

10

99

 < 0.001

  ≥ 180

39

78

Blood loss (mL)

 ≤ 800

42

168

 < 0.001

  > 800

7

9