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 (P > 0.05). On the other hand, WOMAC disability scores were significantly associated with WOMAC pain and WOMAC stiffness (P < 0.01). 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.
Highlights
Osteoarthritis (OA) is the most common degenerative joint disorder and a major public health problem throughout the world
We describe a cross-sectional analysis designed to assess the relationships between pain, function, and radiographic features of knee OA
One hundred and sixty-five patients who attended the Physical Medicine and Rehabilitation Clinic at the Pamukkale University between September 2006 and April 2007 for knee pain for at least one year and were diagnosed as having knee OA according to the American College of Rheumatology (ACR) Classification Criteria [7] were included in this study
Summary
Osteoarthritis (OA) is the most common degenerative joint disorder and a major public health problem throughout the world. It affects any joint containing hyaline cartilage [1, 2] and the knees are the most commonly affected joints [3]. Prevalence of OA increases with age and aging is associated with decreasing physiological functions, leading to major health problems. It is important that we have a clear understanding about the relationship between function and radiographic features. We aimed to determine if there was a positive correlation between pain, disability, and radiographic findings in patients with knee OA
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