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Table 6 Improvement of preoperative, postoperative, and the final follow-up’ disc height in two groups of patients

From: Efficacy and radiographic analysis of oblique lumbar interbody fusion for degenerative lumbar spondylolisthesis

 PreoperativePostoperativeFinal follow-up
OLIF group8.06 mm ± 1.68 mm12.67 mm ± 1.09 mm*12.59 mm ± 1.11 mm
PLIF group8.24 mm ± 1.31 mm11.20 mm ± 1.02 mm*11.13 mm ± 1.28 mm
  1. *Statistically significant versus preoperative values (P < 0.05)