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Objective: Report of risk factors associated to knee osteoarthritis to improve management and functional prognosis of patients. Methods and patients: Transversal and analytic survey conducted in Brazzaville University Teaching Hospital (Congo) on 13,041 patients between 2000 and 2012. The diagnosis of knee osteoarthritis was done before a mechanical knee pain and radiological signs according to Kellgren and Lawrence criterias. The functional disability has been appreciated by Lequesne functional pain rate. Results: 200 patients, 42 men (21%), 158 women (79%), sex ratio was 0.26. The average age was 57.4 years old, extremes were 25 - 82 years. The knee osteoarthritis predominated between 60 and 69 years for men (38%) and 50 - 59 years old for women (36%). Body mass index (BMI) average was 29.98 kg/m2. Co morbidities associated were arterial high blood pressure in 106 patients (53%) and diabetes mellitus (28.5%) and alcohol consumption (28%). Tobacco addiction was associated in 12%. 72.15% of women were post-menopausal, with an average length of menopause at 9.6 years. Obesity (45.5%) and overweight (35.5%) were associated with genu varum in 58.7% and genu valgum in 40.1%. Joint fluid was report in 30.5%. The functional disability evaluated by Lequesne functional pain rate was superior to 8 for more of 50% of patients. The knee osteoarthritis was mainly secondary in 81%. Conclusion: Age more than 57 years, female sex and menopause, obesity, genu varum or genu valgum, cardiovascular risk factors, were the main risk factors associated. Diagnosis was done too later and patients had an improvement functional disability.

Knee Osteoarthritis and Risk Factors Associated