Table 5 Comparison of clinical outcomes in both groups

ODI

 Preop

47.0 ± 22.8

50.6 ± 15.5

0.669

 3m Postop

24.1 ± 19.2

29.0 ± 14.4

0.595

 P-value

0.002†

0.001†

 1y Postop

8.8 ± 7.8

10.4 ± 10.7

0.611

 P-value

<0.001^‡

<0.001^‡

JOA

 Preop

16.8 ± 3.9

14.0 ± 2.2

0.101

 3m Postop

23.1 ± 4.6

20.1 ± 5.1

0.234

 P-value

0.001^†

0.001^†

 1y Postop

26.3 ± 2.6

25.5 ± 2.8

0.192

 P-value

<0.001^‡

<0.001^‡

VAS (back)

 Preop

5.3 ± 2.4

5.6 ± 2.9

0.819

 3m Postop

1.3 ± 2.0

1.4 ± 1.5

0.882

 P-value

<0.001^†

<0.001^†

 1y Postop

0.6 ± 0.8

0.4±0.8

0.391

 P-Value

<0.001^‡

<0.001^‡

VAS (leg)

 Preop

3.6 ± 2.5

5.1 ± 1.9

0.075

 3m Postop

1.5 ± 2.2

1.0 ± 1.8

0.638

 P-value

0.041^†

<0.001^†

 1y Postop

0.3 ± 0.6

0.4 ± 0.5

0.756

 P-Value

0.001^‡

<0.001^‡