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Table 2 The level and site of the first lumbar disc herniation operation and proportion of patients with a positive straight leg raising (SLR) test.

From: Reoperations after first lumbar disc herniation surgery; a special interest on residives during a 5-year follow-up

 

Single operated N = 149

Re-operated N = 17

P-value between the groups

Level of surgery

  

0.74

   L1–2

4 (2.7)

0 (0)

 

   L2–3

4 (2.7)

0 (0)

 

   L3–4

9 (6.0)

0 (0)

 

   L4–5

72 (48.3)

8 (47.1)

 

   L5-S1

57 (38.3)

8 (53.7)

 

   L4-L5 and L5-S1

3 (2.0)

1 (5.9)

 

Site of first operation

  

0.075

   right

58 (38.9)

6 (29.4)

 

   left

85 (57.1)

9 (53.0)

 

   central

7 (4.0)

2 (17.6)

 

SLR before operation

  

0.91

   right

29 (19.5)

4 (23.6)

 

   left

36 (24.1)

3 (17.6)

 

   both sides

8 (5.1)

1 (5.9)