Table 2 Perioperative parameters

Operative time (minute)

123.13 ± 14.50

155.25 ± 12.97

< 0.001

Blood loss (ml)

259.97 ± 14.63

61.79 ± 10.09

< 0.001

Intraoperative fluoroscopy time (second)

29.13 ± 3.05

42.94 ± 21.63

< 0.001

Hospital stays (day)

7.06 ± 1.42

3.46 ± 1.11

< 0.001

Interbody fusion rate

50 (98.0%)

47 (97.9%)

> 0.05