Impact of Affected Knee Activity on Pain in the Sound Limb among Patients with Unilateral Knee Osteoarthritis

Objective: To study the association of pain and physical activities of affected knee with pain status in sound lower limb in females with knee osteoarthritis. Methodology: Analytical cross-sectional design was utilized to collect data in six months after ethical approval. from OPD’s of public and private hospitals of Lahore. Non-probability convenience sampling technique was utilized to enroll female patients (n=187) of 40-60 years age, with diagnosed OA were included while, patients with lower limb fracture, total knee replacement and severe systemic illness were excluded. International Physical Activity Questionnaire (IPAQ-SF) and Numeric pain rating scale were used to collect data. Chi square test was applied to find the association between pain, BMI and physical activities (p ≤ 0.05). Results: The mean age and standard deviation of the participants was 52.3±6.112 years. Among the participants, in 91(48.66%) affected side was Left and in 96(51.33%) was Right. There is a strong positive association between physical activity of affected knee and pain status of sound limb in patients with unilateral KOA as P=0.022. Conclusion:The study revealed that there is a significant association between physical activity of affected knee and pain statusof sound limb, but there is an association between BMI and pain.