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Arthritis
Volume 2012 (2012), Article ID 984060, 5 pages
http://dx.doi.org/10.1155/2012/984060
Clinical Study

Relationships between Pain, Function and Radiographic Findings in Osteoarthritis of the Knee: A Cross-Sectional Study

1Department of Physical Medicine and Rehabilitation, Dr. Behcet Uz Children's Diseases Training and Research Hospital, Sezer Dogan Street No. 11, Konak, 35210 Izmir, Turkey
2Department of Physical Medicine and Rehabilitation, Pamukkale University Faculty of Medicine, Kınıklı, 20070 Denizli, Turkey

Received 31 July 2012; Accepted 24 October 2012

Academic Editor: Ruben Burgos-Vargas

Copyright © 2012 Duygu Cubukcu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Objectives. The aim of this study was to investigate the relationships between pain, disability, and radiographic findings in patients with knee osteoarthritis (OA). Patients and Methods. A total of 114 patients with knee OA who attended the physical medicine and rehabilitation outpatient clinic were included in this study. The diagnosis was based on the American College of Rheumatology (ACR) criteria for knee OA. Age, duration of disease, and body mass index (BMI) of the patients were recorded. Radiographic features on the two-sided knee radiography were assessed with the Kellgren-Lawrence scale. The severity of knee pain, stiffness, and disability were measured using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). Results. The mean age of the patients was 56.98 (±8.28) years and the mean disease duration was 4.14 (±4.15) years. Kellgren-Lawrence grading scale and age or disease duration were positively and significantly associated, whereas none of the WOMAC subscores were found to be related with Kellgren-Lawrence grading scale ( ). On the other hand, WOMAC disability scores were significantly associated with WOMAC pain and WOMAC stiffness ( ). Conclusions. Knee pain, stiffness, and duration of disease may affect the level of disability in the patients with knee OA. Therefore treatment of knee OA could be planned according to the clinical features and functional status instead of radiological findings.