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Table 2 Clinical outcome and radiographic parameters

From: Risk factors for failed back surgery syndrome following open posterior lumbar surgery for degenerative lumbar disease

 

Pre-operation

Post-operation

P value

NRS-Back pain

6.3 ± 2.8

1.6 ± 1.9

 < 0.001

NRS-Leg pain

7.2 ± 2.3

0.8 ± 1.6

 < 0.001

Lumbar lordosis (°)

31.6 ± 13.8

38.4 ± 11.5

 < 0.001

Segmental lordosis (°)

15.6 ± 9.4

20.5 ± 9.5

 < 0.001