Table 1 Basic clinical data and evaluation indexes comparison of each group.

Age (years)

44.6 ± 13.5

46.3 ± 14.9

0.666

Sex (M/F)

19/14

17/12

–

Follow-up time (months)

25.4 ± 1.4

25.5 ± 1.7

0.881

VAS

 Preoperative

7.81 ± 1.0

7.79 ± 0.9

0.885

 Three months postoperative

1.24 ± 0.6*

1.17 ± 0.7*

0.206

 Final follow-up

0.97 ± 0.8*

0.97 ± 0.9*

0.869

ESR (mm/h)

 Preoperative

64.4 ± 28.4

60.0 ± 34.1

0.456

 Three months postoperative

28.5 ± 20.4*

28.9 ± 18.0*

0.393

 Final follow-up

12.2 ± 4.1*

11.9 ± 4.6*

0.975

CRP (mg/L)

 Preoperative

21.9 ± 19.6

22.2 ± 19.4

0.951

 Three months postoperative

12.1 ± 10.7*

13.5 ± 13.4*

0.842

 Final follow-up

7.7 ± 3.2*

7.6 ± 3.2*

0.945

Lordosis angle (°)

 Preoperative

16.1 ± 2.0

17.2 ± 1.6

0.251

 Three months postoperative

28.0 ± 1.8*

27.8 ± 2.0*

0.544

 Final follow-up

28.6 ± 2.1*

28.5 ± 1.8*

0.350

ODI score

 Preoperative

76.6 ± 2.3

76.1 ± 2.5

0.448

 Three months postoperative

23.3 ± 2.2*

23.7 ± 2.3*

0.650

 Final follow-up

4.1 ± 2.0*

4.0 ± 2.4*

0.905

 Operation time (mins)

78.6 ± 11.3

103.6 ± 16.4

0.000

 Intraoperative blood loss (mL)

81.8 ± 19.4

117.2 ± 23.2

0.000

 Fusion time (months)

7.6 ± 0.8

7.3 ± 0.8

0.165

 Time of SAT transfer to negative (months)

5.9 ± 1.2

6.1 ± 1.1

0.161

 Average length of stay (days)

15.1 ± 1.9

18.3 ± 1.6

0.000