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Table 3 AIS grade improvement from first symptoms to the follow-up after 2 years in patients with spinal cord injury and received surgical treatment (n = 45)

From: Spinal cord injury and spinal fracture in patients with ankylosing spondylitis

 

AIS grade after two years

Initial AIS grade

A

B

C

D

E

A

9

    

B

1

3

3

3

 

C

1

 

4

7

1

D

1

  

2

10

  1. AIS American Spinal Injury Association (ASIA) Impairment Scale
  2. The P value of the McNemar test was 0.004
  3. Patients who died were included into “A” group at AIS grade during follow-up period
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BMC Emergency Medicine

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