Table 2 Surgical data

Median time from admission to surgery (days)

6 (4 ~ 8)

4 (3 ~ 7)

Wilcoxon W = 1464.5

0.08

Anesthesia method

General anesthesia

10

10

χ² = 0.236

0.89

CSEA

34

43

Local anesthesia

1

1

Surgical time (min)

124.5 ± 37.92

112.5 ± 42.32

T = 1.466

0.15

Blood loss during surgery (ml)

200 (150 ~ 300)

50 (44.5 ~ 100)

Wilcoxon W = 2120.5

< 0.001

Blood transfusion during surgery (unit)

1.5 (0 ~ 2)

0 (0 ~ 0)

Wilcoxon W = 1821

< 0.001

Medium time to partial standing (days)

4 (2 ~ 4.5)

10 (8 ~ 14)

Wilcoxon W = 39

< 0.001

Postoperative mean hemoglobin level (g/L)

1 day

106.2 ± 20.24

99.13 ± 19.70

T = 1.778

0.08

3 days

93.59 ± 21.71

90.69 ± 16.41

T = 0.760

0.46

5 days

91.40 ± 14.78

92.87 ± 13.88

T = -0.510

0.61

7 days

99.16 ± 15.52

95.41 ± 12.51

T = 1.331

0.19

Postoperative mean total protein level (g/L)

1 day

60.81 ± 8.18

58.413 ± 6.26

T = 1.651

0.10

3 days

54.03 ± 6.49

53.57 ± 5.77

T = 0.377

0.71

5 days

53.84 ± 6.75

54.88 ± 5.19

T = -0.863

0.40

7 days

56.37 ± 6.04

57.08 ± 4.38

T = -0.677

0.51

Postoperative mean albumin level (g/L)

1 day

33.54 ± 5.39

33.56 ± 4.35

T = -0.016

0.99

3 days

28.87 ± 3.98

29.66 ± 3.40

T = -1.083

0.28

5 days

28.74 ± 4.15

30.31 ± 3.14

T = -2.147

0.04

7 days

30.65 ± 3.56

31.89 ± 2.92

T = -1.913

0.06

Postoperative mean WBC (10⁷/L)

1 day

9.13 ± 3.25

8.70 ± 2.76

T = 0.708

0.48

3 days

9.47 ± 3.09

8.03 ± 2.42

T = 2.596

0.01

5 days

7.38 ± 3.09

7.91 ± 3.41

T = -0.805

0.42

7 days

6.59 ± 2.24

6.67 ± 2.10

T = -0.195

0.85

Postoperative length of stay (days)

13 (7 ~ 14)

10 (7 ~ 14)

Wilcoxon W = 1322.5

0.45

Total length of stay (days)

18 (13 ~ 21.5)

15 (12 ~ 20)

Wilcoxon W = 1461.5

0.08