Ontology highlight
ABSTRACT: Study design
Randomized trial and concurrent observational cohort study.Objective
To compare 4 year outcomes of surgery to nonoperative care for spinal stenosis.Summary of background data
Surgery for spinal stenosis has been shown to be more effective compared to nonoperative treatment over 2 years, but longer-term data have not been analyzed.Methods
Surgical candidates from 13 centers in 11 US states with at least 12 weeks of symptoms and confirmatory imaging were enrolled in a randomized cohort (RC) or observational cohort (OC). Treatment was standard decompressive laminectomy or standard nonoperative care. Primary outcomes were SF-36 bodily pain (BP) and physical function scales and the modified Oswestry Disability index assessed at 6 weeks, 3 months, 6 m
SUBMITTER: Weinstein JN
PROVIDER: S-EPMC3392200 | biostudies-literature | 2010 Jun
REPOSITORIES: biostudies-literature