(A) Anterior disc height (ADH) 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. (B) Posterior disc height (PDH) 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. (C) Foraminal height (FH) 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.