Browsing HV - Institutt for fysioterapi (GAMMEL) by Author "Johnsen, Lars Gunnar"
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Can we define success criteria for lumbar disc surgery? Estimates for a substantial amount of improvement in core outcome measures
Solberg, Tore; Johnsen, Lars Gunnar; Nygaard, Øystein Petter; Grotle, Margreth (Acta Orthopaedica;84(2), Journal article; Journal article; Peer reviewed, 2013)Background and purpose: A successful outcome after lumbar discectomy indicates a substantial improvement. To use the cutoffs for minimal clinically important difference (MCID) as success criteria has a large potential bias, ... -
Comparison of the SF6D, the EQ5D, and the oswestry disability index in patients with chronic low back pain and degenerative disc disease
Johnsen, Lars Gunnar; Hellum, Christian; Nygaard, Øystein Petter; Storheim, Kjersti; Brox, Jens Ivar; Rossvoll, Ivar; Leivseth, Gunnar; Grotle, Margreth (BMC musculoskeletal disorders;14(1), Journal article; Peer reviewed, 2013-04-26)Background The need for cost effectiveness analyses in randomized controlled trials that compare treatment options is increasing. The selection of the optimal utility measure is important, and a central question is ... -
Evaluation of the EQ-5D-3L and 5L versions in low back pain patients
Garratt, Andrew; Furunes, Håvard; Hellum, Christian; Solberg, Tore; Brox, Jens Ivar; Storheim, Kjersti; Johnsen, Lars Gunnar (Health and Quality of Life Outcomes;19:155, Peer reviewed; Journal article, 2021-05-28)Background: The EuroQol EQ-5D is one of the most widely researched and applied patient-reported outcome measures worldwide. The original EQ-5D-3L and more recent EQ-5D-5L include three and five response categories respectively. ...