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The geometry and density distribution of two tibial metaphysis with high (left; CTI = 0.058, BR = 0.198) and low (right; CTI = 0.021, BR = 0.058) cortical thickness index (CTI) and buckling ratio (BR). CTI and BR are calculated based on the assumption that the region of interest (tibial metaphysis) is a right circular hollow cylinder with outer diameter of D, inner diameter of d, and height of h.
