Abstract
ObjectiveThe aim of this work was to study the correlation between health-related quality of life and performance-related measures in Egyptian patients with primary knee osteoarthritis (OA).Patients and methodsOne hundred patients with primary knee OA who were attending the outpatient clinic of the hospital were included in the study. All patients had bilateral medial tibiofemoral knee OA. Radiological severity of the disease was evaluated with the Kellgren–Lawrence scale. All patients completed Knee Injury and Osteoarthritis Outcome Score (KOOS); that is a knee-related disorder-specific questionnaire for the assessment of quality of life. The Timed Up and Go test was used for the evaluation of performance-based functional status.ResultsEighty-eight (88%) patients were female. The mean age was 57.30±6.37 (50–75) years, and the mean BMI was 36.83±5.37% kg/m2. The mean symptom duration was 8.76±4.71 years. The mean radiological stage was 2.88±0.82. There was a statistically significant negative correlation between all of the KOOS domains and Timed Up and Go (P≤0.01).ConclusionKOOS is not only a good indicator of physical performance in patients with knee OA but also provides information about the impact of knee-related disability on the quality of life and recreational activities.
Highlights
Osteoarthritis (OA) is an age-related disorder and the primary cause of pain, disability, and shortening of adult working life
One hundred patients were included in this study with bilateral primary knee OA, 12 (12%) male and 88
In the present study we found a significant positive correlation between age and the TUG test, wherein the time needed for the test increases as the age Knee Injury and Osteoarthritis Outcome Score (KOOS) r P
Summary
Osteoarthritis (OA) is an age-related disorder and the primary cause of pain, disability, and shortening of adult working life. The incidence of OA increases with age, with 25% of the population older than 50 years of age having OA of the knee [1]. OA is generally considered to have a complicated agenda that includes genetic, hormonal, metabolic, and biomechanical factors, and specific risk factors such as age, sex, obesity, and past injury have been identified [2]. Pain and physical dysfunction are main criteria for patients with knee OA. Both self-report questionnaires and performance-based tests are often used to assess knee-related pain and physical function. Self-assessment questionnaires provide information about the experience of a person during activities
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