Fig 1: The pro-inflammatory cytokines. Immunohistochemical staining was performed for (A) IL5, (B) IL6 and (C) IL17A in the articular cartilage of the left femoral head (left) and the data was calculated after treatments (right). **p < 0.01 and ***p < 0.001 were by comparing with ONFH group and ##p < 0.01 was by comparing with ESWT group among the treatment groups. Scale bar = 50 µm. N = 6 for each group.