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:37d0261df1bebe497276983e37bff6e2]

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:37d0261df1bebe497276983e37bff6e2]

Decompressive laminectomy