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Table 3 Radiological data between two groups at the final follow-up

From: Analysis of C5 palsy in cervical myelopathy with massive anterior compression following laminoplasty

 

Group A

Group B

P

OPLL

14/55

12/63

0.407

Preoperative cervical lordosis (°)

15.7 ± 9.8

17.8 ± 8.3

0.217

Postoperative cervical lordosis (°)

14.0 ± 10.1

15.0 ± 8.1

0.538

Preoperative T2 high-signal intensity

24/55

12/63

0.004*

Postoperative T2 high-signal intensity

39/55

14/63

0.000*

Mean occupying rate%

62.3 ± 9.5

44.5 ± 3.1

0.000*

Mean spinal cord posterior shift (mm)

2.08 ± 0.77

2.81 ± 0.66

0.000*

  1. Values are means ± SD
  2. *Statistically significant, P < 0.05
  3. OPLL indicates ossification of the posterior longitudinal ligament