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Lakartidningen|September 10, 2025
[Vertebral fractures and socioeconomic status]Freyr Gauti SigmundssonBMJ Open|January 4, 2023
Additional operation rates after surgery for degenerative spine diseases: minimum 10 years follow-up of 4705 patients in the national Swedish spine registerAnders Joelson, Freyr Gauti SigmundssonGlobal Spine Journal|August 5, 2020
Surgery for Lumbar Spinal Stenosis in Patients With Mild Leg Pain Levels Is Associated With Unsatisfactory OutcomeFreyr Gauti Sigmundsson, Anders Möller, Fredrik StrömqvistQuality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation|January 15, 2021
Properties of the EQ-5D-3L index distribution when longitudinal data from 27,328 spine surgery procedures are applied to nine national EQ-5D-3L value setsAnders Joelson, Freyr Gauti Sigmundsson, Jan KarlssonQuality of Life Research : an International Journal of Quality of Life Aspects of Treatment, Care and Rehabilitation|June 19, 2021
Responsiveness of the SF-36 general health domain: observations from 14883 spine surgery proceduresAnders Joelson, Freyr Gauti Sigmundsson, Jan KarlssonActa Orthopaedica|April 23, 2021
Properties of SF-6D when longitudinal data from 16,398 spine surgery procedures is applied to 9 national SF-6D value setsAnders Joelson, Freyr Gauti Sigmundsson, Jan KarlssonSpine|November 1, 2013
Preoperative pain pattern predicts surgical outcome more than type of surgery in patients with central spinal stenosis without concomitant spondylolisthesis: a register study of 9051 patientsFreyr Gauti Sigmundsson, Bo Jönsson, Björn StrömqvistEuropean Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society|March 9, 2016
Determinants of patient satisfaction after surgery for central spinal stenosis without concomitant spondylolisthesis: a register study of 5100 patientsFreyr Gauti Sigmundsson, Bo Jönsson, Björn StrömqvistLaeknabladid|May 4, 2019
[Pisa Syndrome - case report]Freyr Gauti Sigmundsson, Fridrik Stromqvist, Bjarki KarlssonSpine|April 18, 2013
Impact of pain on function and health related quality of life in lumbar spinal stenosis. A register study of 14,821 patientsFreyr Gauti Sigmundsson, Bo Jönsson, Björn StrömqvistPageof 3