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Table 2 Comparison of clinical outcomes between standalone and combined OLIF

From: Standalone oblique lateral interbody fusion vs. combined with percutaneous pedicle screw in spondylolisthesis

 OLIF+fixationStandalone OLIFP
VAS (leg pain)
 Pre-op5.6 ± 1.05.8 ± 0.70.275
 Post-op 1 week3.2 ± 0.83.0 ± 0.60.228
 Post-op 3 months2.9 ± 0.91.5 ± 0.7< 0.001
 Post-op 2 years2.2 ± 0.51.2 ± 0.7< 0.001
ODI
 Pre-op44.8 ± 3.344.1 ± 2.60.342
 Post-op 1 week33.6 ± 2.130.9 ± 2.0< 0.001
 Post-op 3 months20.7 ± 2.618.2 ± 2.4< 0.001
 Post-op 2 years14.4 ± 2.114.6 ± 1.80.716
Satisfaction  0.692
 Satisfied38 (92.7%)28 (87.5%) 
 Unsatisfied3 (7.3%)4 (12.5%) 
  1. ODI Oswestry disability index, VAS visual analogue scale