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. Author manuscript; available in PMC: 2011 Feb 10.
Published in final edited form as: J Biomech. 2009 Oct 28;43(3):557. doi: 10.1016/j.jbiomech.2009.09.051

Table II.

Comparison of BMT and CT fracture healing analysis metrics with estimated callus elastic modulus for 10 and 14 days post fracture samples. Numbers are expressed as mean +/− SD and P values are reported using unpaired Student’s t-test.

10 d (n=3) 14 d (n=3) P Value
Ultimate Load (N) 1.560 ± 0.1370 1.643 ± 0.4888 0.7902
Toughness (N*mm) 0.4059 ± 0.08796 0.1957 ± 0.1567 0.1127
Apparent Stiffness (N/mm) 4.744 ± 2.345 13.95 ± 6.241 0.0751
Normalized Apparent Stiffness (kPa) 3885 ± 1800 8330 ± 4941 0.2170
Total Bone Volume (new bone + cortical bone) (mm^3) 4.051 ± 0.1183 5.894 ± 1.355 0.0788
Total Callus Volume (soft tissue + new bone) (mm^3) 4.391 ± 1.051 8.772 ± 3.772 0.1257
Eestimated (kPa) 797.1 ± 414.3 2908 ± 872.8 0.0194*
*

denotes statistically significant difference.