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Mikkelsen E, Ingebrigtsen T, Thyrhaug AM, Olsen LR, Nygaard ØP, Austevoll I, Brox JI, Hellum C, Kolstad F, Lønne G, Solberg TK. The Norwegian registry for spine surgery (NORspine): cohort profile. Eur Spine J 2023; 32:3713-3730. [PMID: 37718341 DOI: 10.1007/s00586-023-07929-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/28/2023] [Accepted: 08/28/2023] [Indexed: 09/19/2023]
Abstract
PURPOSE To review and describe the development, methods and cohort of the lumbosacral part of the Norwegian registry for spine surgery (NORspine). METHODS NORspine was established in 2007. It is government funded, covers all providers and captures consecutive cases undergoing operations for degenerative disorders. Patients' participation is voluntary and requires informed consent. A set of baseline-, process- and outcome-variables (3 and 12 months) recommended by the International Consortium for Health Outcome Measurement is reported by surgeons and patients. The main outcome is the Oswestry disability index (ODI) at 12 months. RESULTS We show satisfactory data quality assessed by completeness, timeliness, accuracy, relevance and comparability. The coverage rate has been 100% since 2016 and the capture rate has increased to 74% in 2021. The cohort consists of 60,647 (47.6% women) cases with mean age 55.7 years, registered during the years 2007 through 2021. The proportions > 70 years and with an American Society of Anaesthesiologists' Physical Classification System (ASA) score > II has increased gradually to 26.1% and 19.3%, respectively. Mean ODI at baseline was 43.0 (standard deviation 17.3). Most cases were operated with decompression for disc herniation (n = 26,557, 43.8%) or spinal stenosis (n = 26,545, 43.8%), and 7417 (12.2%) with additional or primary fusion. The response rate at 12 months follow-up was 71.6%. CONCLUSION NORspine is a well-designed population-based comprehensive national clinical quality registry. The register's methods ensure appropriate data for quality surveillance and improvement, and research.
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Affiliation(s)
- Eirik Mikkelsen
- Department of Neurosurgery, Ophthalmology and Otorhinolaryngology, University Hospital of North Norway, Tromsø, Norway
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
| | - Tor Ingebrigtsen
- Department of Neurosurgery, Ophthalmology and Otorhinolaryngology, University Hospital of North Norway, Tromsø, Norway.
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway.
- The Norwegian Registry for Spine Surgery, University Hospital of North Norway, Tromsø, Norway.
| | - Anette M Thyrhaug
- The Norwegian Registry for Spine Surgery, University Hospital of North Norway, Tromsø, Norway
| | - Lena Ringstad Olsen
- Centre for Clinical Documentation and Evaluation, Northern Norway Regional Health Authority, Tromsø, Norway
| | - Øystein P Nygaard
- The Norwegian Registry for Spine Surgery, University Hospital of North Norway, Tromsø, Norway
- Department of Neuromedicine and Movement Science, The Norwegian University of Science and Technology, Trondheim, Norway
- Department of Neurosurgery, St. Olav's University Hospital, Trondheim, Norway
| | - Ivar Austevoll
- Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway
| | - Jens Ivar Brox
- Department of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Christian Hellum
- Department of Orthopaedic Surgery, Oslo University Hospital, Oslo, Norway
| | - Frode Kolstad
- Department of Neurosurgery, Oslo University Hospital, Oslo, Norway
| | - Greger Lønne
- Department of Neuromedicine and Movement Science, The Norwegian University of Science and Technology, Trondheim, Norway
- Department of Orthopaedic Surgery, Innlandet Hospital Trust, Lillehammer, Norway
| | - Tore K Solberg
- Department of Neurosurgery, Ophthalmology and Otorhinolaryngology, University Hospital of North Norway, Tromsø, Norway
- Department of Clinical Medicine, UiT The Arctic University of Norway, Tromsø, Norway
- The Norwegian Registry for Spine Surgery, University Hospital of North Norway, Tromsø, Norway
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