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Table 2 Comparison of imaging index between the two groups (x ± s)

From: The effect of dural release on extended laminoplasty for the treatment of multi-level cervical myelopathy

Group

Cases

Distance of retroposition of the spinal cord (mm)

Cervical lordosis

Preoperative

Last follow-up

t and p value

A

35

3.63 ± 2.06

19.55 ± 6.81

16.78 ± 7.92

t = 1.536, p = 0.142

B

38

2.05 ± 0.93

18.94 ± 8.73

18.22 ± 5.79

t = 1.784, p = 0.089

t and p value

 

t = 7.256, p < 0.001

t = 0.223, p = 0.854

t = 0.359, p = 0.782