Table 1 Donor and recipient characteristics with Log-rank test p-value for qualitative variables and quantitative variables across risk groups when significant threshold was met.

From: A Donor Quality Index for liver transplantation: development, internal and external validation

Donor characteristics

 

Mean survival (sd)

P-value

Sex (%):

  

0.37

   Male

55.01

4.55 (0.05)

 

   Female

44.99

4.56 (0.08)

 

Cause of death (%):

  

<0.01

   Cerebrovascular accident

60.29

4.44 (0.05)

 

   Trauma

24.64

4.69 (0.07)

 

   Anoxia

12.02

4.80 (0.11)

 

   Other

3.05

4.72 (0.21)

 

Diabetes (%):

  

0.98

   yes

7.75

4.56 (0.14)

 

   no

92.25

4.56 (0.04)

 

ABO group (%):

  

0.22

   A

44.58

4.57 (0.06)

 

   B

9.87

4.72 (0.12)

 

   O

41.93

4.49 (0.06)

 

   AB

3.61

4.78 (0.19)

 

Hypertension (%):

  

0.21

   yes

35.70

4.49 (0.07)

 

   no

64.30

4.60 (0.05)

 

Malignancy (%):

  

0.43

   yes

1.89

4.72 (0.26)

 

   no

98.11

4.49 (0.04)

 

Alcohol (%):

  

0.53

   yes

15.02

4.50 (0.10)

 

   no

84.98

4.57 (0.04)

 

Smoking (%):

  

0.47

   yes

37.59

4.59 (0.06)

 

   no

62.41

4.53 (0.05)

 

Drugs (%):

  

0.52

   yes

4.17

4.65 (0.19)

 

   no

95.83

4.56 (0.04)

 

Hepatitis C virus antibody (%):

  

0.46

   +

0.45

4.09 (0.56)

 

   −

99.55

4.53 (0.04)

 

Hepatitis B core antibody (%):

  

0.62

   +

4.39

4.61 (0.18)

 

   −

95.61

4.53 (0.04)

 

Inotropes (dobutamine, dopamine, noradrenaline, epinephrine) (%):

  

0.72

   yes

39.16

4.57 (0.06)

 

   no

60.84

4.55 (0.05)

 

Liver type (%):

  

0.44

   Partial/split

5.10

4.43 (0.17)

 

   Total

94.90

4.55 (0.04)

 

Age (%):

  

<0.001

   ≤69

76.47

4.64 (0.04)

 

   >69

23.53

4.27 (0.09)

 

Height (%):

  

0.07

   <162

22.62

4.42 (0.08)

 

   ≥162

77.38

4.60 (0.04)

 

Weight, mean (sd)

72.88 (15.17)

  

BMI, mean (sd)

25.33 (4.62)

  

Sodium: latest (mmol/L) (%):

  

0.04

   136–146

43.85

4.47(0.06)

 

   other

56.15

4.63(0.05)

 

Sodium: highest (mmol/L), median (range)

149 (120–180)

  

MDRD creatinine clearance: latest (ml/min/1.73 m2) (%):

  

0.01

   <60

25.30

4.38 (50.08)

 

   60–89

29.51

4.55 (0.07)

 

   ≥90

45.19

4.66 (0.06)

 

MDRD creatinine clearance: lowest (ml/min/1.73 m2) (%):

  

0.01

   <60

35.35

4.41 (0.07)

 

   60–89

36.83

4.61 (0.06)

 

   ≥90

27.82

4.68 (0.07)

 

Aspartate aminotransferase: latest (U/L), median (range)

39 (0–2000)

  

Aspartate aminotransferase: highest (U/L), median (range)

51 (9–2000)

  

Alanine transaminase: latest (U/L) (%):

  

0.04

   7–41

67.33

4.50 (0.05)

 

   other

32.67

4.67 (0.07)

 

Alanine transaminase: highest (U/L), median (range)

33 (1–2000)

  

Total bilirubin: latest (µmol/L), median (range)

10 (0–150)

  

Total bilirubin: highest (µmol/L), median (range)

12 (1–150)

  

Alkaline phosphatases: latest (U/L) (%):

  

0.06

   <33

4.44

4.26 (0.19)

 

   33–96

76.12

4.54 (0.04)

 

   >96

19.44

4.71 (0.08)

 

Alkaline phosphatases: highest (U/L) (%):

  

0.09

   <33

1.78

4.22 (0.31)

 

   33–96

72.22

4.51 (0.05)

 

   >96

26.00

4.67 (0.07)

 

Gamma glutamyl transpeptidase: latest (U/L), median (range)

30 (0–1477)

  

Gamma glutamyl transpeptidase: highest (U/L), median (range)

36 (1–1835)

  

Intensive care unit stay (in days) (%):

  

<0.001

   ≤4

79.68

4.48 (0.04)

 

   >4

29.32

4.83 (0.08)

 

Estimated distance between donor and recipient location (minutes) (%):

  

<0.01

   <15

22.60

4.77 (0.08)

 

   ≥15

77.40

4.50 (0.04)

 

“Hors tour” (%):

  

0.84

   yes

6.08

4.57 (0.16)

 

   no

93.92

4.55 (0.04)

 

Donor risk index, mean (sd)

1.65 (0.40)

Eurotransplant donor risk index, mean (sd)

1.63 (0.36)

UK Donor Liver Index, mean (sd)

1.15 (0.26)

Recipient characteristics

 

Mean survival (sd)

P-value

Sex (%):

  

0.91

   Male

73.54

4.55 (0.05)

 

   Female

26.46

4.56 (0.08)

 

Cancer (%):

  

0.29

   yes

29.00

4.62 (0.07)

 

   no

71.00

4.53 (0.05)

 

Decompensated cirrhosis (%):

  

<0.001

   yes

37.74

4.73 (0.06)

 

   no

62.26

4.46 (0.05)

 

Non-cirrhotic liver disease (%):

  

0.63

   yes

1.41

4.63 (0.30)

 

   no

98.59

4.48 (0.04)

 

Emergency (%):

  

<0.001

   yes

6.72

3.78 (0.17)

 

   no

93.28

4.58 (0.04)

 

MELD exception (%):

  

0.36

   yes

18.00

4.45 (0.09)

 

   no

82.00

4.57 (0.04)

 

Previous transplantation (%):

  

<0.001

   yes

8.58

3.76 (0.15)

 

   no

91.42

4.60 (0.04)

 

On dialysis (%):

  

<0.001

   yes

5.33

3.43 (0.19)

 

   no

94.67

4.58 (0.04)

 

Medical condition before LT (%):

  

<0.001

   Intensive care unit

17.70

3.88 (0.11)

 

   Hospital (no intensive care unit)

13.88

4.60 (0.10)

 

   Not hospitalized

68.42

4.71 (0.04)

 

Hepatitis B core antibody (%):

  

0.73

   +

20.05

4.53 (0.09)

 

   −

79.95

4.56 (0.04)

 

Hepatitis C virus antibody (%):

  

<0.001

   +

23.83

4.23 (0.08)

 

   −

76.17

4.66 (0.04)

 

Diabetes (%):

  

0.06

   yes

22.67

4.42 (0.08)

 

   no

77.33

4.60 (0.04)

 

Encephalopathy (%):

  

<0.001

   grade 1

68.14

4.62 (0.05)

 

   grade 2

24.84

4.52 (0.08)

 

   grade 3

7.02

3.95 (0.17)

 

ABO group (%):

  

0.80

   A

45.44

4.56 (0.06)

 

   B

11.16

4.63 (0.11)

 

   O

39.03

4.55 (0.06)

 

   AB

4.37

4.43 (0.19)

 

Age, mean (sd)

53.24 (10.39)

  

Body mass index (%):

  

0.20

   <18.5

3.56

4.35 (0.21)

 

   18.5–25

44.69

4.50 (0.06)

 

   ≥25

51.75

4.62 (0.05)

 

Model for end stage liver disease before LT (%):

  

<0.001

   <29

72.73

4.65 (0.04)

 

   ≥29

27.27

4.32 (0.08)

 

Waiting time (in days) (%):

  

<0.001

   <21

24.54

4.34 (0.08)

 

   ≥21

75.46

4.63 (0.04)

 

Follow-up (years), mean (sd)

2.33 (1.63)