Peul, W.C.

patient treatment surgery study outcome sciatica group trial spine herniation disc herniation follow-up score result difference recovery disability scale discectomy effect analysis questionnaire health month table leg pain research 1 year intervention review level baseline randomized lumbosacral radicular syndrome roland disability questionnaire measure netherland symptom disk herniation complaint quality point evidence surgeon signi value variable fusion center examination department stenosi ficant improvement hospital nerve factor therapy management injection number leiden randomised radicular disorder signi ficant differences outcome measures effectiveness traction randomization decompression university research nurse diskectomy nurse range musculoskeletal syndrome leiden university intervention group