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Table 2 Surgical outcomes

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
VAS (back pain)
 Pre-op8.6 ± 0.58.4 ± 0.80.241
 Post-op 1 week4.1 ± 0.75.7 ± 0.9< 0.001
 Post-op 3 months2.2 ± 0.42.5 ± 0.80.030
 Post-op 2 years0.8 ± 0.70.9 ± 0.70.831
JOA score
 Pre-op4.0 ± 1.64.2 ± 1.30.636
 Post-op 1 week10.9 ± 1.38.8 ± 1.4< 0.001
 Post-op 3 months13.1 ± 0.810.1 ± 1.2< 0.001
 Post-op 2 years14.1 ± 0.713.6 ± 1.10.055
Adjacent segment degeneration02 (4.9%)0.125
  1. OLIF Oblique lateral interbody fusion, PPSF Percutaneous pedicle screw fixation, VAS Visual analog scale, JOA Japanese Orthopaedic Association