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Table 4 Fat infiltration percentage of the multifidus and erector spinae before and 24 months after surgery

From: Quantitative analysis of paraspinal muscle atrophy after oblique lateral interbody fusion alone vs. combined with percutaneous pedicle screw fixation in patients with spondylolisthesis

 

OLIF (n = 32)

OLIF+PPSF (n = 41)

P a

Multifidus (%)

 Pre-op

15.91 ± 5.30

16.13 ± 7.01

0.885

 Post-op 2 years

14.38 ± 3.21

49.38 ± 20.54

< 0.001

P b

0.721

< 0.001

 

Erector spinae (%)

 Pre-op

11.63 ± 3.05

11.93 ± 3.22

0.686

 Post-op 2 years

11.22 ± 3.12

22.60 ± 4.99

< 0.001

P b

0.578

< 0.001

 
  1. OLIF Oblique lateral interbody fusion, PPSF Percutaneous pedicle screw fixation
  2. a Comparison between two groups
  3. b Comparison between pre- and post-operation
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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