Which variable in this patient’s history has been reported to be associated with lower functional outcomes after this surgery?
A 65-year-old male presents for postoperative follow up after undergoing spinal surgery.
His preoperative and postoperative radiographs are shown in Figure A and B respectively.
His pain is exacerbated when walking and is relieved when his sits or bends forward.
He notes occasional periods where his legs feel weak, but motor examination reveals 5/5 motor strength throughout his bilateral lower extremities.