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. Author manuscript; available in PMC: 2018 Dec 3.
Published in final edited form as: Bone. 2016 Apr 19;88:20–30. doi: 10.1016/j.bone.2016.04.005

TABLE 3.

Biomechanical properties determined by μCT and Torsional Testing of the Mature Callus Compartment of Sostdc−/− Mice Compared to WT Controls, at 28 Days Post-Fracture.

Index WT Sostdc1−/−
Callus Volume (mm3) 17.495±5.328 28.760±9.413*
Callus BV (mm3) 3.804±0.966 5.197±1.042*
BV/TV (%) 23.30±0.88 19.10±4.40
BMD (mg HA/cm3) 992.936±11.032 1022.581±11.220*
Stiffness (Nm/deg) 0.00171±0.0005 0.00192±0.0007
Control Ult. Torque (Nm) 0.032±0.006 0.032±0.009
Rot. Ult. Torque (degrees) 24.983±6.020 20.888±5.371
Stiffness (Nm/deg) 0.00073±0.0005 0.00064±0.0003
Fractured Ult. Torque (Nm) 0.021±0.009 0.018±0.005
Rot. Ult. Torque (Degrees) 47.200±17.339 35.500±14.343

Data represents mean ± standard deviation for parameters measured. BV=Bone Volume; TV= Total Volume; BMD= Bone Mineral Density; Ult. Torque= Ultimate Torque at failure; Rot. Ult. Torque= Rotation at Ultimate Torque.

*

p-values < 0.05