Research Article

Clinical Efficacy and Rehabilitation of Microscopic “Over the Top” for Bilateral Decompression in Degenerative Lumbar Stenosis: A Retrospective Study

Table 3

Comparison of radiographic data preoperatively, at 6 months follow-up, and at 12 months follow-up for patients ().

Preoperation6 m12 m-value

Cross-sectional area (mm2)
Ipsilateral lateral recess height (mm)
Contralateral lateral recess height (mm)
Dynamic motion flexion-extension (mm)

P6 m-po compared preoperation with 6 months follow-up; P6 m-12 m compared 6 months with 12 months follow-up.