The efficacy of surgery for lumbar intervertebral disc herniation vs non-operative treatment, using self-report questionnaires Short form 36, Visual Analog Scale and Oswestry Disability Index at baseline (prior to surgery) and all subsequent visits baseline (prior to surgery) & 12 mos post op. [clinicaltrials_resource:bca97c561c876a37e1eff0da5270257d]

data will be collected at each office visit, regardless of time point

The efficacy of surgery for lumbar intervertebral disc herniation vs non-operative treatment, using self-report questionnaires Short form 36, Visual Analog Scale and Oswestry Disability Index at baseline (prior to surgery) and all subsequent visits baseline (prior to surgery) & 12 mos post op. [clinicaltrials_resource:bca97c561c876a37e1eff0da5270257d]

data will be collected at each office visit, regardless of time point