Fig. 1From: Quantitative analysis of paraspinal muscle atrophy after oblique lateral interbody fusion alone vs. combined with percutaneous pedicle screw fixation in patients with spondylolisthesisVisual analog score (VAS) (a) of back pain and the Japanese Orthopaedic Association (JOA) score (b) before and after operation. OLIF: oblique lateral interbody fusion; PPSF: percutaneous pedicle screws fixation. *There were significant differences between the two groups at one week and three months after surgeryBack to article page