Table 2 Comparison of clinical outcomes in the Consistent and Contralateral groups

Total strength of muscle groups on the less serious symptom and sign side

38.86 ± 2.14

38.18 ± 2.53

0.444

Total strength of muscle groups on the more serious symptom and sign side

36.43 ± 2.13^#

36.06 ± 2.46^#

0.653

Duration of operation (min)

98.57 ± 11.67

99.41 ± 9.98

0.860

Intraoperative blood loss volume (ml)

116.79 ± 11.54

117.06 ± 8.11

0.625

VAS

Preoperative

3.00 ± 0.78

3.06 ± 0.83

0.526

2-year follow-up

2.29 ± 0.61*

2.24 ± 0.66*

0.891

NDI

Preoperative

0.49 ± 0.08

0.49 ± 0.07

0.769

2-year follow-up

0.27 ± 0.07*

0.28 ± 0.06*

0.681

JOA

Preoperative

9.36 ± 2.34

9.18 ± 2.21

0.769

2-year follow-up

12.43 ± 1.65*

10.76 ± 1.92*

0.019

Transient pain in the deltoid region^a

6

2

0.049(χ² = 3.876)

C5 nerve root palsy^a

1

2

0.665(χ² = 0.188)

Axial symptoms^a

8

9

0.815(χ² = 0.550)