Table 1 Demographic, baseline, and morphometric characteristics of participants

 Age, y

69.9 ± 3.9

70.1 ± 4.2

0.79

 Male, No. (%)

41 (80.4)

38 (70.4)

0.23

 BMI, kg/m²

23.6 ± 2.7

23.0 ± 3.1

0.33

 ASA status, No. (%)

0.66

  I

22 (43.1)

21 (38.9)

  II

29 (56.9)

33 (61.1)

 History of diabetes, No. (%)

3 (5.9)

10 (18.5)

0.05

 History of hypertension, No. (%)

24 (47.1)

26 (48.1)

0.91

 HADS- anxiety score, point

2.2 ± 1.7

2.7 ± 2.7

0.73

 HADS- depression score, point

1.4 ± 1.4

1.0 ± 1.8

0.03_a

 TNM stage of hepatocellular carcinoma

0.399

  T₁N₀M₀

18 (35.3)

13 (24.1)

  T₂N₀M₀

22 (43.1)

25 (46.3)

  T₃N₀M₀

11 (21.6)

16 (29.6)

 Duration of surgery, h

2.5 ± 0.9

2.4 ± 1.1

0.43

 Segment resected, No. (%)

0.07

  1

25 (49.0)

25 (46.3)

  2

18 (35.3)

11 (20.4)

  3

8 (15.7)

18 (33.3)

 Pringle manerver duration, min

19.7 ± 12.4

18.9 ± 11.9

0.74

 Intraoperative blood loss, mL

245.5 ± 188.8

229.1 ± 182.2

0.65

 Intraoperative urine output, mL

277.5 ± 254.4

267.0 ± 233.9

0.83

 Fluids volume (crystalloids, colloids), L

2.1 ± 0.6

1.9 ± 0.6

0.18

 Intraoperative fentanyl infusion, ug/kg

3.7 ± 0.7

3.6 ± 0.7

0.44