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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)