Øystein P. Nygaard

Randomized Clinical Trial of Lumbar Instrumented Fusion and Cognitive Intervention and Exercises in Patients with Chronic Low Back Pain and Disc Degeneration

Jens Ivar Brox, Roger G. Sorensen, Astrid Friis et al. · Spine · 2003 · 619 citations · Full text

The Inflammatory Properties of Contained and Noncontained Lumbar Disc Herniation

Øystein P. Nygaard, Svein Ivar Mellgren, Bjarne Østerud · Spine · 1997 · 210 citations

The Impact of Body Mass Index on the Prevalence of Low Back Pain

Ingrid Heuch, Knut Hagen, Ivar Heuch et al. · Spine · 2010 · 208 citations

Health-related quality of life assessment by the EuroQol-5D can provide cost-utility data in the field of low-back surgery.

Tore K. Solberg, Jan-Abel Olsen, Tor Ingebrigtsen et al. · European Spine Journal · 2005 · 193 citations

Low-back Surgery, Quality Of Life, Life Assessment +13

Duration of leg pain as a predictor of outcome after surgery for lumbar disc herniation: a prospective cohort study with 1-year follow up

Øystein P. Nygaard, Roar Kloster, Tore K. Solberg · Journal of Neurosurgery Spine · 2000 · 177 citations