Table 3 Preoperative and operative relative factors of patients with HCC

Preoperative characteristics

 Age (years)

50.1 ± 9.33

50.2 ± 8.83

50.0 ± 9.51

 Male

77.0 (83.70%)

18.0 (100.00%)

59.0 (79.70%)

 BMI (kg/m²)

23.3 ± 3.33

23.4 ± 2.75

23.2 ± 3.47

 History of abdominal surgery

17.0 (18.50%)

4.0 (22.20%)

13.0 (17.60%)

 Hepatic encephalopathy

3.0 (3.30%)

0 (0.0%)

3.0 (4.10%)

 Portal hypertension

47.0 (51.10%)

10.0 (55.60%)

37.0 (50.00%)

 Pleural fluid or ascites

30.0 (32.60%)

6.0 (33.30%)

24.0 (32.40%)

 Child–Pugh

9.0 (8.00–11.00)

8.0 (6.00–10.25)

9.0 (8.00–11.00)

 MELD score

12.0 (9.00–18.00)

11.6 ± 4.46

12.0 (10.00–19.25)

 Albumin (g/L)

39.7 ± 5.97

36.0 ± 7.06

39.9 ± 6.12

 Total bilirubin (umol/L)

34.9 (19.47–77.48)

30.9 (15.48–68.48)

35.5 (19.63–87.63)

 Serum creatinine (umol/L)

55.0 (46.00–64.75)

63.1 ± 26.72

54.5 (46.00–63.25)

 Preoperative lactic acid

1.3 (1.03–1.70)

1.4 (1.00–1.80)

1.3 (1.08–1.70)

Intraoperative factors

 Operation time (min)

360.0 (300.00–420.00)

369.2 ± 71.71

360.0 (300.00–412.50)

 Anhepatic phase (min)

50.0 (45.00–57.75)

52.4 ± 12.67

50.0 (45.00–57.25)

 Portal vein clamping time (min)

58.5 (52.75–65.25)

58.0 (51.00–67.00)

59.0 (53.00–65.00)

 Blood loss during operation (ml)

800.0 (500.00–1200.00)

800.0 (575.00–1050.00)

800.0 (500.00–1225.00)

 Total infusion fluid (ml)

4915.0 (4285–5960)

4656.2 ± 1190.72

5070.0 (4308–6145)

 Intraoperative RBC transfusion (units)

5.0 (2.00–9.50)

4.0 (1.50–6.50)

6.0 (2.00–10.00)

 Intraoperative cryoprecipitate transfusion (units)

800.0 (600.00–1200.00)

800.0 (750.00–1000.00)

800.0 (600.00–1200.00)

 Retention time of tracheal tube (hours)

7.0 (5.00–9.88)

9.2 ± 4.63

6.8 (5.00–9.31)

 Length of SICU (days)

6.0 (5.00–9.00)

6.0 (5.00–8.00)

6.0 (5.00–9.00)

 Length of hospital stay (days)

18.0 (15.00–25.75)

17.5 (14.00–22.50)

19.0 (15.00–26.00)

 Anesthesia factors

  Propofol (mg)

1500.0 (1200–1970)

1522.2 ± 542.93

1500.0 (1300–1909)

  Sufentanil (ug)

30.0 (30.00–40.00)

30.0 (30.00–40.00)

30.0 (30.00–40.00)

  Renifentanil (ug)

3000.0 (2500–3750)

3116.7 ± 1169.84

3000.0 (2500–3650)

  Sevoflurane (ml)

50.0 (50.00–80.00)

50.0 (50.00–62.50)

55.0 (47.50–80.00)

  Dexmedetomidine (ug)

100.0 (100.00–160.00)

100.0 (100.00–162.50)

100.0 (89.25–160.00)

  Etomidate (mg)

14.0 (12.00–16.00)

14.0 (12.00–16.00)

14.0 (11.50–16.00)