Table 5 Baseline characteristics and intraoperative and postoperative outcomes

Number

30

30

30

30

30

30

30

30

Age(y)

67.77 ± 5.39

67.37 ± 5.49

66.73 ± 6.15

66.3 ± 4.89

65.23 ± 6.28

65.73 ± 5.99

67.13 ± 5.56

65.43 ± 4.78

0.532

Gender(female/male)

16/14

20/10

21/9

15/15

18/12

16/14

22/8

21/9

0.394

BMI(kg/m2)

30.05 ± 3.02

30.43 ± 4.28

30.72 ± 2.93

30.54 ± 3.09

29.49 ± 3.87

29.62 ± 3.37

31.41 ± 3.62

31.33 ± 4.11

0.307

Preop.ROM(°)

99.87 ± 8.33

100.01 ± 7.83

103.45 ± 5.35

101.53 ± 6.28

102.08 ± 6.72

99.37 ± 5.04

100.88 ± 6.98

102.41 ± 7.73

0.238

Surgical duration(min)

67.60 ± 12.39

64.93 ± 10.79

68.13 ± 8.97

66.03 ± 12.17

66.07 ± 9.75

64.00 ± 8.53

63.37 ± 12.18

70.10 ± 11.18

0.256

Total blood loss(mL)

1268.84 ± 342.15

1164.27 ± 304.19

653.79 ± 246.20

781.26 ± 213.79

1584.33 ± 359.21

1049.12 ± 266.72

1002.48 ± 316.29

739.15 ± 226.37

<0.001

Transfusion

9

5

1

7

12

3

5

4

0.009*

Preop.Hb(g/dL)

13.87 ± 0.66

13.44 ± 1.23

13.92 ± 1.25

13.89 ± 0.95

13.62 ± 1.02

13.41 ± 1.07

13.99 ± 1.09

13.47 ± 0.72

0.117

24-h Hb(g/dL)

11.82 ± 1.04

11.49 ± 1.30

12.09 ± 1.40

12.74 ± 0.94

10.37 ± 1.26

11.48 ± 1.35

11.94 ± 1.31

12.11 ± 0.95

<0.001*

Hb change(g/dL)

2.02 ± 0.84

1.95 ± 0.57

1.83 ± 0.61

1.14 ± 0.39

3.22 ± 1.06

1.93 ± 0.75

2.09 ± 0.61

1.36 ± 0.55

<0.001*

DVT

1

0

0

0

0

1

0

0

0.541

PE

0

0

0

0

0

0

1

0

0.432