Farooq Azam Khan, Ahmad Rasool, Hajra Tariq, Abbas Bajwa.
Association of obesity and knee osteoarthritis.
J Sharif Med Dent Coll Jan ;3(02):76-9.

Objective: To determine the association between obesity and severity ofknee osteoarthritis. Methodology: It was a cross-sectional descriptive study conducted in the Department of Orthopaedics Surgery, Sharif Medical City Hospital, Lahore. Study duration was twelve weeks. Fifty (50) patients fulfilling the inclusion criteria were included in this study. Non-probability, purposive sampling technique was used. Anthropometric assessment was performed and radiographs in orthogonal views were taken. Body mass index (BMI) was calculated and knee osteoarthritis grading according to Kellgren and Lawrence (K&L) was done on radiographs. The clinical complaints, radiological assessment and BMI were compared. Results: Out of 50 patients, 29 were females (58%). Seven (14%) patients presented with mild OA knee, 19 (38%) with moderate OA and 24 (48%) had severe OA. There was a strong correlation between increased body mass index (BMI > 30 kg/m) with the severity of OA knee. Moreover, BMI tends to increase with age as well. Conclusion: Obesity has a strong association with knee osteoarthritis. Obesity increases the incidence and progression of knee osteoarthritis. Keywords: Osteoarthritis knee. Body mass index. Obesity.

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