Table 3 Clinical outcomes

JOA score

Preoperative

9.23 ± 1.36

8.87 ± 1.85

2-year follow-up

13.31 ± 1.03*

12.93 ± 2.02*

VAS neck score

Preoperative

3.85 ± 1.14

3.53 ± 1.46

Postoperative

1.77 ± 1.17*

1.70 ± 1.21*

2-year follow-up

0.85 ± 1.07*

0.9 ± 0.96*

VAS arm score

Preoperative

2.31 ± 0.95

2.00 ± 1.64

Postoperative

0.54 ± 0.66*

0.77 ± 0.86*

2-year follow-up

0.08 ± 0.28*

0.23 ± 0.50*

EAT-10

Preoperative

0.31 ± 0.48

0.2 ± 0.41

Postoperative

9.23 ± 2.89*

12.27 ± 4.03*

1-month follow-up

5.00 ± 2.45*

7.8 ± 3.33*

3-month follow-up

3.38 ± 1.61*

5.53 ± 3.10*

1-year follow-up

1.77 ± 1.59*

2.87 ± 1.78*

2-year follow-up

1.38 ± 1.04

2.53 ± 2.19

Postoperative complications

7.69% (1/13)

16.67% (5/30)

Hoarseness

1

2

C5 palsy

0

1

Screw loosening

0

2