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Table 6 Comparison the changes in degree of paraspinal muscle fatty infiltration between K-rod group and PLIF in UAS and LAS

From: The effect of posterior lumbar dynamic fixation and intervertebral fusion on paraspinal muscles

 

K-rod group

PLIF group

P value

0

1

2

0

1

2

UAS

16

3

0

10

5

3

0.104

LAS

12

6

1

2

11

5

0.002**

  1. PLIF Posterior lumbar interbody fusion. UAS Upper adjacent segment. LAS Lower adjacent segment. **means P < 0.01