(A) Back pain Visual Analog Scale (VAS) scores of patients who received oblique lateral interbody fusion and either anterolateral screw fixation or posterior percutaneous screw fixation before surgery, 1 week, 3 months, and 12 months after surgery, and at the final follow-up (* P<0.05). (B) Oswestry Disability Index (ODI) scores of patients who received oblique lateral interbody fusion and either anterolateral screw fixation or posterior percutaneous screw fixation before surgery, 1 week, 3 months, and 12 months after surgery, and at the final follow-up (* P<0.05).