Evaluation of body mass index as a prognostic factor in osteoarthrosis of the knee

ABSTRACT OBJECTIVE: To evaluate the relationship between patients' body mass index (BMI) and the degree of radiographic severity of knee osteoarthrosis. METHOD: 117 patients with gonarthrosis were evaluated prospectively. The patients' BMI was calculated and their knee arthrosis was classified in accordance with the modified Ahlbäck criteria. Kruskal-Wallis analysis of variance (ANOVA) was used to evaluate the relationship between these two variables. RESULTS: The group classified as Ahlbäck grade V had significantly higher BMI than the others. CONCLUSION: There is a direct relationship between BMI and the degree of radiographic severity of gonarthrosis. Obesity appears to be directly related to the progression of knee osteoarthrosis.

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Bibliographic Details
Main Authors: Loures,Fabrício Bolpato, Góes,Rogério Franco de Araújo, Labronici,Pedro José, Barretto,João Maurício, Olej,Beni
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Ortopedia e Traumatologia 2016
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-36162016000400400
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Summary:ABSTRACT OBJECTIVE: To evaluate the relationship between patients' body mass index (BMI) and the degree of radiographic severity of knee osteoarthrosis. METHOD: 117 patients with gonarthrosis were evaluated prospectively. The patients' BMI was calculated and their knee arthrosis was classified in accordance with the modified Ahlbäck criteria. Kruskal-Wallis analysis of variance (ANOVA) was used to evaluate the relationship between these two variables. RESULTS: The group classified as Ahlbäck grade V had significantly higher BMI than the others. CONCLUSION: There is a direct relationship between BMI and the degree of radiographic severity of gonarthrosis. Obesity appears to be directly related to the progression of knee osteoarthrosis.