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. To find the association between physical activity of affected knee and pain status of sound limb and results indicated that there is an 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 no significant association between physical activity of affected knee and pain status of sound limb, but there is an association between BMI and pain.