Fig. 5From: The effect of extracorporeal shock wave on joint capsule fibrosis based on A2AR-Nrf2/HO-1 pathway in a rat extending knee immobilization modelThe levels of IL-6, IL-1β, and TNF-α among groups (The values are the mean ± standard deviation). A IL-6, B IL-1β, C TNF-α. c P < 0.05 versus the NR group. TNF-α Tumour necrosis factor-alpha, IL-1β Interleukin-1beta, IL-6 Interleukin-6Back to article page