Changes in health-related quality of life as measured by the SF-36 health status questionnaire Baseline, 6 wks, 3 and 6 mos, Annually thereafter [clinicaltrials_resource:14c951146c3d6fa67c84da70b59aa73f]

Decompressive laminectomy

Changes in health-related quality of life as measured by the SF-36 health status questionnaire Baseline, 6 wks, 3 and 6 mos, Annually thereafter [clinicaltrials_resource:14c951146c3d6fa67c84da70b59aa73f]

Decompressive laminectomy