Table 2 Comparison of operation time, intraoperative blood loss, and VAS scores in two groups

Operation time (min)

62 ± 7.18

61 ± 6.21

0.019

1.713

Intraoperative blood loss (%)

7.1 ± 3.43

6.8 ± 3.10

0.285

0.934

 Preoperation

7.31 ± 1.51

7.02 ± 1.95

0.479

0.774

 3 days after operation

2.23 ± 0.23*

t = 5.331, P < 0.05

2.93 ± 0.42*

t = 5.832, P < 0.05

3.693

0.036*

 Last follow-up

0.21 ± 0.13*

t = 6.520, P < 0.05

1.01 ± 0.97*

t = 6.357, P < 0.05

3.511

0.025*