Table 1 Perioperative information of included individuals within low and high LDL-c group

Sex (Male/Female)

26/21

63/50

Age (Years)

61.7 ± 11.7

63.7 ± 9.5

Diabetes (Yes/No)

18/29

35/78

Preoperative jaundice reduction treatment (Yes/No)

10/37

26/87

Preoperative total bilirubin (μmol/L)

41.2 (14.0, 85.7)

40.5 (10.4, 136.7)

Preoperative carbohydrate antigen 19–9 (U/ml)

215.8 (59.8, 1745.5)

182.9 (33.1, 567.6)

Preoperative albumin (g/L)

36.7 ± 5.2

36.6 ± 5.1

Preoperative LDL-c (mmol/L)

2.20 (1.49, 3.36)

2.81 (2.11, 3.33)

Postoperative 3 days LDL-c (mmol/L)

1.49 (1.14, 2.02)

1.86 (1.44, 2.25)

Postoperative 1 week LDL-c (mmol/L)

1.54 ± 0.56

2.16 ± 0.69

Postoperative 8 weeks LDL-c (mmol/L)

1.31 (1.00, 1.50)

2.07 (1.62, 2.30)

Postoperative 4 weeks albumin (g/L)

34.6 ± 5.6

36.4 ± 5.0

Postoperative BMI

22.97 ± 2.59

23.41 ± 2,98

Postoperative 4 weeks BMI

22.08 ± 2.62

22.82 ± 2.96

Postoperative 4 weeks TG (mmol/L)

1.33 (1.08, 1.79)

1.20 (0.98, 1.53)

Intraoperative hemorrhage (ml)

500 (400, 800)

500 (400, 800)

Intraoperative transfusion (Yes/No)

22/25

40/73

Operation time (hours)

10 (8, 12)

9 (7.5, 11)

Tumour size(cm)

3.5 (2.5, 4.0)

3.5 (2.5, 4.5)

Tumour differentiation (Low/Moderate-high)

15/32

32/81

Portal venous system invasion (Yes/No)

23/24

47/66

Adjuvant chemotherapy (Yes/No)

3/44

9/104

Lymphatic metastasis (Yes/No)

32/15

68/45

Postoperative chemotherapy (Yes/No)

23/24

63/50