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Linear regression of median BSU.Pf.Ar, BSU.Pf.Wi, BSU.Pf.Pm, and BSU.Pf.Le with respect to age, BV/TV, and SMI. If the slope of the linear regression is significantly different from zero, the corresponding p-value is shown in bold. Abbreviations: BSU, bone structural unit; BV/TV, bone volume fraction; SMI, structure model index.
