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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Biomaterials. 2014 Feb 14;35(13):4026–4034. doi: 10.1016/j.biomaterials.2014.01.064

Table 2.

Summary of Micro-CT and Torsion Measurements

Maximum
Torque
(N.mm)		 Net
Mineralized
Volume#
(mm3)		 Mineral
Density
(mg/cm3)		 Mineral
Content
(mg)		 Scaffold
Engraftment
(% volume)
3DP-CPS (n=4) 0.74 ± 0.47 0.59 ± 0.20 1068 ± 33 4.56 ± 0.30 27.0 ± 6.0
Collagen Binder (n=3) 0.80 ± 0.27* 0.47 ± 0.34 1112 ± 52 4.63 ± 0.55   29.7 ± 13.6
Collagen Coated (n=4) 0.48 ± 0.18 0.41 ± 0.11 1026 ± 24 4.18 ± 0.12 7.7 ± 5.8
Allograft (n=4) 7.5 ± 3.4* 1.15 ± 0.31 1095 ± 21 2.80 ± 0.38 –
Empty (n=3) 0.08 ± 0.05 0.52 ± 0.30 1085 ± 10 0.57 ± 0.33 –

Values are represented as means and standard error of the mean

*

indicates p<0.05 compared with Empty by Kruskal-Wallis non-parametric ANOVA with Dunn’s correction for multiple comparisons

#

Mineralized volume less the average baseline (pre-implantation) scaffold or allograft volume

3DP-CPS: 3D printed calcium phosphate scaffold