Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 21207
  Title The association between low back pain and osteoarthritis of the hip and knee: A population-based cohort study
Journal J Manipulative Physiol Ther. 2010 Jun;33(5):349-354
Peer Review No
Publication Type Article
Abstract/Notes Objective: The purpose of this study was to determine whether prevalent self-reported back pain predicts future osteoarthritis-related pain and disability in individuals with hip and knee osteoarthritis (OA).

Methods: We studied a population-based cohort of Ontario residents who were 55 years or older and reported symptomatic hip/knee OA at baseline (between 1996 and 1998). The sample was followed-up between 2000 and 2001. We used multivariable linear regression to model the association between baseline back pain and pain and disability (Western Ontario and McMaster Universities Osteoarthritis Index scores) at follow-up while controlling for confounders.

Results: Of the 983 participants, 58% of the cohort reported low back pain at baseline. Baseline low back pain predicted higher hip and/or knee OA-related pain and disability at follow-up (â = 2.49; 95% confidence interval [CI], 0.4-4.6; P = .023). However, this association varied with the location of OA. After controlling for confounders, the association was strong for individuals with hip OA (â = 11.41; 95% CI, 5.1-17.7; P = .001). However, low back pain was not associated with pain and disability in individuals with knee OA (â = 0; 95% CI −3.39 to 3.39; P = .998).

Conclusions: In a cohort of individuals with OA of the hip or knee, we found that low back pain predicted subsequent OA-related pain and disability in those with hip disease, but not knee disease. Our study provides valuable prognostic information to clinicians involved in the management of patients with OA of the hip and knee.

This abstract is reproduced with the permission of the publisher; full text by subscription. Click on the above link and select a publisher from PubMed’s LinkOut feature.

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