Fig. 3

IL-15 deficiency attenuated the microstructure of the femoral head in mice with steroid-induced ONFH. a three-dimensional (3D) pictures of femoral head osteonecrosis. b Statistical analysis was performed on BV/TV, Tb. N, Tb.sp., and Tb.Th. The data were expressed as means ± SD (n = 6). **p < 0.01 versus the WT ON group