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Table 8 Frequency of ASD according to Pfirmann and Metzdorf scale in patients with multilevel spine fixation

From: Early developed ASD (adjacent segmental disease) in patients after surgical treatment of the spine due to cancer metastases

 

4-level

5-level

6-level

7-level

8-level

9-level

Pfirmann and Metzdorf

 Grade 1

9

17

37

51

16

18

 Grade 2

2

1

7

3

1

1

 Grade 3

 

1

2

4

2

1

 Grade 4

 

1

3

1

1

1

 Grade 5

 

1

1

1

3

1

 Others

1

 

2

2

1

1