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Table 2 Force recorded by small-sized load cell (N) at adjacent disc

From: Biomechanical analysis of reduction technique for lumbar spondylolisthesis: anterior lever versus posterior lever reduction method

Small-sized load cell

Anterior lever reduction

Posterior lever reduction

p Value

L3/L4 intervertebral level

 Cell No. 1

21.4 ± 4.74

14.78 ± 1.74

<  0.001**

 Cell No. 2

0.22 ± 0.21

1.24 ± 0.11

<  0.001**

 Cell No. 3

1.3 ± 0.28

3.82 ± 0.71

<  0.001**

 Cell No. 4

0.57 ± 0.51

1.69 ± 0.28

<  0.001**

L5/S1 intervertebral level

 Cell No. 5

1.34 ± 0.57

0.16 ± 0.12

<  0.001**

 Cell No. 6

1.65 ± 0.81

0.23 ± 0.1

<  0.001**

 Cell No. 7

5.5 ± 1.62

31.54 ± 2.75

< 0.001**

 Cell No. 8

1.58 ± 0.97

0.6 ± 0.13

< 0.001**

  1. Student’s t-test, *p < 0.05, **p < 0.01; Mean values are presented ± SD