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dc.contributor.authorKongsted, A.
dc.contributor.authorKent, Peter
dc.contributor.authorJensen, T.
dc.contributor.authorAlbert, H.
dc.contributor.authorManniche, C.
dc.date.accessioned2017-07-27T05:22:25Z
dc.date.available2017-07-27T05:22:25Z
dc.date.created2017-07-26T11:11:30Z
dc.date.issued2013
dc.identifier.citationKongsted, A. and Kent, P. and Jensen, T. and Albert, H. and Manniche, C. 2013. Prognostic implications of the Quebec Task Force classification of back-related leg pain: An analysis of longitudinal routine clinical data. BMC Musculoskeletal Disorders. 14: Article ID 171.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/54854
dc.identifier.doi10.1186/1471-2474-14-171
dc.description.abstract

Background: Low back pain (LBP) patients with related leg pain have a more severe profile than those with local LBP and a worse prognosis. Pain location above or below the knee and the presence of neurological signs differentiate patients with different profiles, but knowledge about the prognostic value of these subgroups is sparse. The objectives of this study were (1) to investigate whether subgroups consisting of patients with Local LBP only, LBP + leg pain above the knee, LBP + leg pain below the knee, and LBP + leg pain and neurological signs had different prognoses, and (2) to determine if this was explained by measured baseline factors. Methods. Routine clinical data were collected during the first visit to an outpatient department and follow-ups were performed after 3 and 12 months. Patients were divided into the four subgroups and associations between subgroups and the outcomes of activity limitation, global perceived effect (GPE) after 3 months, and sick leave after 3 months were tested by means of generalised estimating equations. Models were univariate (I), adjusted for duration (II), and adjusted for all baseline differences (III). Results: A total of 1,752 patients were included, with a 76% 3-month and 70% 12-month follow-up. Subgroups were associated with activity limitation in all models (p < 0.001). Local LBP had the least and LBP + neurological signs the most severe limitations at all time-points, although patients with neurological signs improved the most. Associations with GPE after 3 months were only significant in Model I. Subgroups were associated with sick leave after 3 months in model I and II, with sick leave being most frequent in the subgroup with neurological signs. No significant differences were found in any pairwise comparisons of patients with leg pain above or below the knee. Conclusions: Subgrouping LBP patients, based on pain location and neurological signs, was associated with activity limitation and sick leave, but not with GPE. The presence of neurological signs and pain in the leg both have prognostic implications but whether that leg pain without neurological signs is above or below the knee does not.

dc.publisherBiomed Central Ltd
dc.rights.urihttp://creativecommons.org/licenses/by/2.0/
dc.titlePrognostic implications of the Quebec Task Force classification of back-related leg pain: An analysis of longitudinal routine clinical data
dc.typeJournal Article
dcterms.source.volume14
dcterms.source.issn1471-2474
dcterms.source.titleBMC Musculoskeletal Disorders
curtin.departmentSchool of Physiotherapy and Exercise Science
curtin.accessStatusOpen access


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