Percent change in HRpQCT measures at the distal tibia in the non-surgical and surgical groups (after controlling for age, sex and race). The groups differed for percent change in cortical porosity, and trabecular area, number and separation, with a trend observed for change in cortical volumetric bone mineral density. *p <0.05, **p=0.06.
Ct. Cortical; Tb. Trabecular; vBMD volumetric bone mineral density