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Table 5 Time course changes of

From: Characteristics of relief and residual low back pain after discectomy in patients with lumbar disc herniation: analysis using a detailed visual analog scale

A. Pfirrmann grade

 

1 year after surgery

2

3

4

5

Total

Before surgery

2

 

2

  

2

3

 

26

13

 

39

4

  

17

2

19

5

   

2

2

Total

 

28

30

4

62

B. Modic type

 

1 year after surgery

None

1

2

3

Total

Before surgery

None

40

4

3

1

48

1

 

2

1

 

3

2

 

1

8

1

10

3

 

1

  

1

Total

40

8

12

2

62