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Inter-examiner reliability in the assessment of low back pain (LBP) using the Kirkaldy-Willis classification (KWC)
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Information Science, Statistics.
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2006 (English)In: European spine journal, ISSN 0940-6719, E-ISSN 1432-0932, Vol. 15, no 11, 1695-1703 p.Article in journal (Refereed) Published
Abstract [en]

Reliable classification systems and clinical tests are sought for the care of patients with low back pain (LBP). The objectives of this clinical study were to evaluate inter-examiner reliability in the classification of patients with LBP, the influence of radiological findings on the classification and the reliability of some clinical tests. Two examiners independently assessed 50 outpatients with LBP. Inter-examiner reliability in classification of patients with LBP using Kirkkaldy-Willis classification (KWC) system and in 30 clinical tests was calculated as percentage agreement and kappa coefficients (kappa). Inter-examiner reliability was excellent (kappa > 0.8) for classification according to KWC. Radiological findings did not influence the reliability. Age of the patient, movement range, and pain and neurological signs seemed to guide the decision on classification. The reliability of clinical tests was good (kappa > 0.6) in 6 tests and moderate (kappa > 0.4) in 12 tests. Good inter-examiner reliability was found for the SLR test, movement range and sensibility testing with spurs in dermatome areas. We conclude that the KWC for classifying patients with LBP seems to be a reliable classification system depending on a few key observations and that moderate and good inter-examiner reliability can be achieved in several clinical tests in the assessment of LBP.

Place, publisher, year, edition, pages
2006. Vol. 15, no 11, 1695-1703 p.
Keyword [en]
low back pain, classification, inter-examiner reliability, assessment of clinical tests, Kirkaldy-Willis
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-153740DOI: 10.1007/s00586-005-0050-3ISI: 000241791600008PubMedID: 16435110OAI: oai:DiVA.org:uu-153740DiVA: diva2:417787
Available from: 2011-05-18 Created: 2011-05-18 Last updated: 2012-07-26Bibliographically approved

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