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:f6649117c75bb44c39cb59456067af20]

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:f6649117c75bb44c39cb59456067af20]

Decompressive laminectomy