Table 2 Comparison of perioperative data between the two groups

Operative time, mean ± SD, (min)

99.96 ± 34.74

92.82–107.10

116.52 ± 47.20

106.20–126.84

-2.58

0.01*

Blood loss, mean ± SD, (ml)

20.85 ± 11.06

18.58–23.17

80.19 ± 22.81

75.13–84.99

-21.13

< 0.01*

Post-operative bedtime, mean ± SD, (h)

18.05 ± 7.51

16.55–19.55

27.35 ± 12.05

24.89–29.81

-5.96

< 0.01*

Number of x-ray examinations, mean ± SD, (times)

2.99 ± 1.04

2.78–3.20

3.28 ± 1.67

2.93–3.63

-13.17

< 0.01*

Post-operative hospitalization, mean ± SD, (d)

3.47 ± 1.23

3.22–3.72

7.34 ± 2.36

6.84–7.84

-1.34

0.18