Single-center retrospective study to characterize changes in the functional capacity of patients (change in Oswestry Desability Index (ODI)) undergoing anterior approach surgery for the management of symptomatic lumbar spinal stenosis between the pre-surgical period and the first assessment 6 months after surgery.
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characterize the evolution of functional capacity in patients undergoing anterior approach surgery for the management of symptomatic lumbar spinal stenosis
Timeframe: 6 month