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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Vascular endothelial growth factor expression and their action in the synovial membranes of patients with painful knee osteoarthritis

Fig. 2

Relationship between VEGF mRNA expression level and Kellgren/Lawrence (K/L) grade. To investigate the relationship between VEGF and K/L grades, 102 knee OA patients were divided into three groups according to their K/L grade (2, 3, or 4). The three groups did not differ by patient age, male/female ratio, body mass index, or pain score based on the visual analog scale. Relative expression was calculated based on the mean of all samples of the KL2 group. The plot indicates median (bold horizontal line), interquartile range (IQR) (box), and range. Outliers beyond 1.5-fold of the IQR from the box are plotted

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