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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Associations between proinflammatory cytokines in the synovial fluid and radiographic grading and pain-related scores in 47 consecutive patients with osteoarthritis of the knee

Figure 1

Concentrations of proinflammatory cytokines in the synovial fluid from the knee joints. (A) The concentration of TNFα exhibited no significant correlation with KL grading, although there was a tendency for increased TNFα concentrations at lower KL grades. (B) The concentration of IL-6 was significantly decreased in KL grades 3 and 4 compared with those in KL grades 1 and 2. NGF was undetectable in all patient samples.

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