Minimally Invasive Decompression Versus X-Stop in Lumbar Spinal Stenosis: A Randomized Controlled Multicenter Study von Lønne, Greger, Johnsen, Lars Gunnar, Rossvoll, Ivar, Andresen, Hege, Storheim, Kjersti, Zwart, John Anker, Nygaard, Øystein P

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Validation of the Nepali versions of the Neck Disability Index and the Numerical Rating Scale for Neck Pain von Shrestha, Dipak, Shrestha, Rohit, Grotle, Margreth, Nygaard, Øystein Petter, Solberg, Tore

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Segmental motion adjacent to anterior cervical arthrodesis : A prospective study von KOLSTAD, Frode, NYGAARD, Øystein P, LEIVSETH, Gunnar

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Surgery for Degenerative Cervical Myelopathy: A Nationwide Registry-Based Observational Study With Patient-Reported Outcomes von Gulati, Sasha, Vangen-Lønne, Vetle, Nygaard, Øystein Petter, Gulati, Agnete Malm, Hammer, Tommy, Johansen, Tonje Okkenhaug, Peul, Wilco C, Salvesen, Øyvind, Solberg, Tore

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Is There an Association Between Radiological Severity of Lumbar Spinal Stenosis and Disability, Pain, or Surgical Outcome?: A Multicenter Observational Study von Weber, Clemens, Giannadakis, Charalampis, Rao, Vidar, Jakola, Asgeir S, Nerland, Ulf, Nygaard, Øystein P, Solberg, Tore K, Gulati, Sasha, Solheim, Ole

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A nationwide study of patients operated for cervical degenerative disorders in public and private hospitals von Danielsen, Elisabet, Mjåset, Christer, Ingebrigtsen, Tor, Gulati, Sasha, Grotle, Margreth, Rudolfsen, Jan Håkon, Nygaard, Øystein P., Solberg, Tore K.

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The Norwegian Cervical Arthroplasty Trial (NORCAT): 2-year clinical outcome after single-level cervical arthroplasty versus fusion—a prospective, single-blinded, randomized, controlled multicenter study von Sundseth, Jarle, Fredriksli, Oddrun Anita, Kolstad, Frode, Johnsen, Lars Gunnar, Pripp, Are Hugo, Andresen, Hege, Myrseth, Erling, Müller, Kay, Nygaard, Øystein P., Zwart, John-Anker

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The Risk of Getting Worse: Predictors of Deterioration After Decompressive Surgery for Lumbar Spinal Stenosis: A Multicenter Observational Study von Nerland, Ulf S, Jakola, Asgeir S, Giannadakis, Charalampis, Solheim, Ole, Weber, Clemens, Nygaard, Øystein P, Solberg, Tore K, Gulati, Sasha

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Non-respondents do not bias outcome assessment after cervical spine surgery: a multicenter observational study from the Norwegian registry for spine surgery (NORspine) von Ingebrigtsen, Tor, Aune, Grethe, Karlsen, Martine Eriksen, Gulati, Sasha, Kolstad, Frode, Nygaard, Øystein P., Thyrhaug, Anette Moltu, Solberg, Tore K.

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Comparing cost-effectiveness of X-Stop with minimally invasive decompression in lumbar spinal stenosis: a randomized controlled trial von Lønne, Greger, Johnsen, Lars Gunnar, Aas, Eline, Lydersen, Stian, Andresen, Hege, Rønning, Roar, Nygaard, Øystein P

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Degeneration and height of cervical discs classified from MRI compared with precise height measurements from radiographs von Kolstad, Frode, Myhr, Gunnar, Kvistad, Kjell Arne, Nygaard, Øystein P., Leivseth, Gunnar

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Surgery for degenerative cervical myelopathy in patients with rheumatoid arthritis and ankylosing spondylitis: a nationwide registry-based study with patient-reported outcomes von Holmberg, Siril T., Gulati, Agnete M., Johansen, Tonje Okkenhaug, Salvesen, Øyvind O., Lønne, Vetle Vangen, Solberg, Tore K., Tronvik, Erling A., Nygaard, Øystein P., Gulati, Sasha

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A prognostic model for failure and worsening after lumbar microdiscectomy: a multicenter study from the Norwegian Registry for Spine Surgery von Werner, David A. T., Grotle, Margreth, Småstuen, Milada Cvancarova, Gulati, Sasha, Nygaard, Øystein P., Salvesen, Øyvind, Ingebrigtsen, Tor, Solberg, Tore K.

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Surgery for herniated lumbar disc in private vs public hospitals: A pragmatic comparative effectiveness study von Madsbu, Mattis A., Salvesen, Øyvind, Carlsen, Sven M., Westin, Steinar, Onarheim, Kristian, Nygaard, Øystein P., Solberg, Tore K., Gulati, Sasha

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Heterotopic ossification and clinical outcome in nonconstrained cervical arthroplasty 2 years after surgery: the Norwegian Cervical Arthroplasty Trial (NORCAT) von Sundseth, Jarle, Jacobsen, Eva Astrid, Kolstad, Frode, Sletteberg, Ruth O., Nygaard, Oystein P., Johnsen, Lars Gunnar, Pripp, Are Hugo, Andresen, Hege, Fredriksli, Oddrun Anita, Myrseth, Erling, Zwart, John A.

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Modic type I changes and recovery of back pain after lumbar microdiscectomy von Sørlie, Andreas, Moholdt, Viggo, Kvistad, Kjell Arne, Nygaard, Øystein P., Ingebrigtsen, Tor, Iversen, Trond, Kloster, Roar, Solberg, Tore K.

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