Surgical outcome of 438 patients treated surgically for lumbar spinal stenosis.

Study Design: A retrospective, follow-up study.

Objectives: To investigate the overall outcome of surgery for lumbar spinal stenosis and to investigate the preoperative factors affecting outcome.

Summary Of Background Data: The success rates of surgical intervention for lumbar spinal stenosis vary, and few preoperative factors have been found to be significantly correlated to surgical outcome.